Find the measure of the indicated angle.
D
(4x+7)°
m ZE=
E
(5x + 10)°
F
ہے

Answer:
D=E (Base angle of isosceles triangle are equal)
D+E+F= 180° (sum of angles of a triangle️)
(4x+7)+(4x+7)+(5x+10) = 180
13x = 180- 24
x= 156/13 = 12°
so, E= 4x+7 = 4×12+7 = 55
Hope this helps:)