Question #a9318
1 Answer
a) The sum of the angles of a triangle is
b) This is an isosceles triangle then the missing angle is
c) The sum of the angles of a quadrilateral is
d) We solve as the problem a).
e) This is a parallelogram so the opposite angles are equal and the sum, as in the problem c) is
f) The problem is the same as problem a) but we have one external angle instead of the internal. We know that the sum between internal and external angle is
g) We solve as the problem c)
h) This is a parallelogram so the opposite angles are has to be equal.
i) We solve as the problem a)
j) This is an isosceles triangle, then the two angles has to be equal.