Answers created by Zsigmond S.

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• Each side of a triangle is divided into 3 equal parts. The ratio of area of hexagon UVWXYZ to area of #DeltaABC# is?
  
• How do you solve for x and y?
  
• Find the perimeter of the triangle with vertices (−2,2), (0,4), and (1,−2)?
  
• What is the the vertex of #x = (y +2)^2 - 5y-2 #?
  
• A right angled triangle is formed in first quadrant by a line passing through (2,1) at the X-intercept (a,0) and Y-intercept (0,b). Calculate the area of the triangle as function of "x"?
  
• M and N are the middle points of diagonals BD and AC respectively of a trapezium ABCD where AD is parallel to BC. Prove by vector method that #vec(MN)=1/2*(vec(BC)-vec(AD)).?
  
• A line segment has endpoints at #(2 ,7 )# and #(5 ,4 )#. The line segment is dilated by a factor of #2 # around #(4 ,1 )#. What are the new endpoints and length of the line segment?
  
• Circle Geometry Question?
  
• How do you graph the solution set of #(x-9)/(7x+2)<=0#?
  
• If sin theta=2/3 with theta in quadrant 1, find sec theta?
  
• An Isosceles Trapezium with a perimeter of 40cm is circumscribed in a circle with radius, r=#sqrt(21)#. Determine the lengths of its sides?
  
• Find the value of (sin 24° cos 6°-sin 6° sin 66°)/(sin 21° cos 39°- cos 51° sin 69°)?
  
• Four angles of a pentagon are equal and the fifth is 60 degrees. Find tne equal angles and show that two sides of the pentagon are parallel. Any ideas?
  
• What is the distance between the following polar coordinates?: # (2,(5pi)/2), (4,(3pi)/2) #
  
• What are the standard form, radius, and center?
  
• What is the sum of the series?
  
• Let tan x = 2.4, sin y = 0.6, and both x and y be between 0° and 90°. Then cos(x + y) equals?
  
• Please solve q 59 ?
  
• In triangle ABC, AB = -3i+6j and AC = 10i-2j a) find the size of angle BAC, in degrees, to 1dp?
  
• What is the area of a polygon with vertices #A(-2, -1), B(-2,3), C(1,3),# and #D(1,1)#?
  
• Prove that: cos pi/12-sin pi/12=1/root 2.What should be the answer for this question?
  
• Find equation M?
  
• Points #(7 ,6 )# and #(8 ,9 )# are #(5 pi)/4 # radians apart on a circle. What is the shortest arc length between the points?
  
• What is EB?
  
• How do you simplify #(2x^3-32x)/(x^2+8x+16)#?
  
• A circle through the common points of the circles x^2+y^2-2x-4y+1=0 and x^2+y^2+2x-6y+1=0 has the centre on the line 4y-7x-19=0.find the centre and radius of the circle?
  
• How do you find the inverse of #A=##((4, -2, 1), (3, 1, 2), (1, 2, 2))#?
  
• How do you graph #x ≥ 4# or #x > -4#?
  
• We have a trapeze ABCD AD=big base, BC= little base m(<BAC)= a , sin a= 1/3 and m(<ABD)=b and sin b= 5/9 and AD= 15 cm Trapeze ABCD is enrolled in a circle .FInd the midle line?
  
• ABCD is a quadrilateral. Show that #vec(AB)+vec(AD)+vec(CB)+vec(CD)=4vec(PQ)# where P and Q are the mid points of AC and BD respectively?
  
• A triangle has corners at #(2 , 5 )#, #(8 ,2 )#, and #(4 ,7 )#. What is the radius of the triangle's inscribed circle?
  
• The adjacent sides of a parallelogram are 15 cm and 10 cm. If the distance between the shorter sides is 12 cm, how to find the distance between longer sides?
  
• Find the angle ABF and the length BF if the hexagon has side length 1?
  
• Please solve q 37?
  
• A,B and C are the 3 points on the circle and O is the centre of the circle.If <OAB is 40°, <ABC is 120°,<BCO is y° and <COA is x°. Find the value of x° and y°?
  
• Question #cfa4d
  
• How do you solve this system of equations: #3x - 2y \leq 0 and 2x + 3y \leq 6#?
  
• Question #5bb0e
  
• Question #90b9c
  
• Find A, B, C ?