Answers edited by Rui D.
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What is the surface area of a 11 cm high pyramid whose base is an equilateral triangle with a 62 cm perimeter? Show work.
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What is a quadrilateral that has exactly 2 congruent consecutive sides? Would it be either a parallelogram and/or a trapezoid?
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A triangle has corners at (1 , 5 ), (9 ,4 ), and (1 ,8 ). What is the radius of the triangle's inscribed circle?
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A flagpole 8.2 meters tall casts a horizontal shadow 4.0 meters long. What time is it if the sun was directly overhead at 12:10 pm and will set at 6:10 pm?
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A triangle has sides with lengths of 5, 9, and 8. What is the radius of the triangles inscribed circle?
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Is it possible for two acute angles to be supplementary?
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How do I calculate the distance between the two parallel planes x - 2y + 2z = 7 and 2y - x - 2z = 2?
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An isosceles trapezoid MNPQ with QP=12 and measure of angle M = 120 degrees has bisectors of angles MQP and NPQ that meet at point T on line MN. What is the perimeter of MNPQ?
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Each interior angle of a regular polygon lies between 136 to 142. How do we calculate the sides of the polygon?
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How did Otto von Bismarck, the chancellor of Prussia, lead the drive for German unity?
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How do you solve (x-2)/(x^2-7x+10)=1/(5x-10)-1/(x-5)?
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A triangle has corners at (2 , 1 ), ( 5 , 6), and ( 8 , 5 )#. What are the endpoints and lengths of the triangle's perpendicular bisectors?
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Question #5feb3
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The lengths of the tangents from any point on the circle 15x^2 + 15y^2 -48x +64 y =0 to the two circles 5x^2 + 5y^2 -24x +32y +75 =0 and 5x^2 + 5y^2 -48x +64y +300 =0 are in the ratio?
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Question #15b5e
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Two corners of an isosceles triangle are at (9 ,4 ) and (3 ,2 ). If the triangle's area is 48 , what are the lengths of the triangle's sides?
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What is the area of the parallelogram with vertices A(1,5,0), B(6,10,−3), C(−4,5,−2),
and D(1,10,−5)?
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Question #ba50a
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Three security cameras were mounted at the corners of a triangular parking lot. Camera 1 was 158 feet from camera 2, which was 121 feet from camera 3. Cameras 1 and 3 were 140 feet apart. What camera had to cover the greatest angle?
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If A = <8 ,1 ,-5 >, B = <6 ,5 ,-8 > and C=A-B, what is the angle between A and C?
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If an equilateral triangle is inscribed in a circle and the triangle's area is 4sqrt3, what is the area of the circle?
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What is the area of a trapezoid whose diagonals are each 30 and whose height is 18?
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What was the result of the Battle of El Alamein?
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Two corners of an isosceles triangle are at (8 ,1 ) and (1 ,7 ). If the triangle's area is 15 , what are the lengths of the triangle's sides?
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Question #74eaa
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Two corners of an isosceles triangle are at (8 ,3 ) and (5 ,4 ). If the triangle's area is 15 , what are the lengths of the triangle's sides?
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Question #3c646
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Question #9aee7
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What is the circumference and area in feet of circular pool that has a diameter of 20 yards?
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Question #509cd
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What are the equations of the planes that are parallel to the plane x+2y-2z=1 and two units away from it?
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In a quadrilateral ABCD ,which is not a trapezium.It is known that <DAB=<ABC=60 DEGREE.moreover , <CAB=<CBD.Then
A) AB=BC+CD
B) AB=AD+CD
C) AB=BC+AD
D) AB=AC+AD ? Choose correct option.
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How would you determine the equation of the circle which passes through the points D(-5,-5), E(-5,15), F(15,15)?
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A trench is 40 1/2 ft. long, 8 ft. wide, and 15 3/4 ft. deep. How many cubic feet is the trench?
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Circle A has a center at (5 ,4 ) and a radius of 3 . Circle B has a center at (6 ,-8 ) and a radius of 2 . Do the circles overlap? If not, what is the smallest distance between them?
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What is the area of the largest isosceles triangle that can be inscribed in a circle of radius 4?
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A triangle has sides A, B, and C. The angle between sides A and B is (pi)/2 and the angle between sides B and C is pi/12. If side B has a length of 12, what is the area of the triangle?
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In a quadrilateral ABCD, P and R are the midpoints of AB and CD respectively. Also, Q and S are points on the sides BC and DA respectively such that BQ=2QC and DS=2SA. Prove that the area of the quadrilateral PQRS equals to half of the area of ABCD?
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Triangle A has an area of 84 and two sides of lengths 18 and 15 . Triangle B is similar to triangle A and has a side of length 5 . What are the maximum and minimum possible areas of triangle B?
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What are all the zeroes of f(x) = 2x^3 + 3x^2 + 4x - 10?
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Why did the Napoleonic Wars represent a watershed in the history of warfare?
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How do you calculate the overlapping area between intersecting circles?
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A triangle has corners at (2 , 2 ), ( 5, 6 ), and ( 1, 4 )#. What are the endpoints and lengths of the triangle's perpendicular bisectors?
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Question #bf8db
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ABCD is a trapezoid with line BC perpendicular to line AB and line BC perpendicular to line CD. AB=13 BC=12 CD=8.A line segment is drawn from A to E, which is the midpoint of line CD. What is the area of triangle AED?
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How do you factor f(x)=x^3+3x^2-12x-18?
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The image of a microchip in a projection microscope measures 8 inches by 10 inches. The width of the actual chip is 4 millimeters. How long is the chip?
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How to construct triangle LMN , such that LN = 8 cm and ∠ LMN = 80 degrees and LM- MN= 3 cm?
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