Question

Find the measure of the unknown angles in the following figures.
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Answer 1

Answer:

in the first case

triangle is equilateral ,so the sides and angle are same means

x= 60°

in second case

triangle is isosceles ,so the two sides and angle are equal

x=75°

for y

75+75+y=180

150+y=180

y=30°

Answer 2

E..

ATQ

ABC is equilateral triangle so x =60 °

F..

ATQ

x°= 75° because there is a equal sign

and y° =30°