Question

Find the unknown values(all sums) ​

Answer 1

3. x=95

y=95

AB=AC

then

<ABC = <ACB

<ABC+ <ACB + <BCA = 180°

<ABC = <ACB

Then

<ABC+ <ABC + <BCA=180°

2<ABC+30°=180°

2<ABC= 180°-30°

2<ABC=150°

<ABC=150°/2

<ABC=75°

so x=y

x+75°=180°

x=180°-75°

x=95°

y=95°