Question

can soome one help on these 2 questions i am attaching.

Answer 1

in question 11 sum of triangles is 180. two sides are equal so angles opp to equal sides are equal. so x=(180-38)/2= 71

Answer 2

in question 12 as triangle is isosceles x =90 and so y=43

Answer 3

so for #11 the answer is what 71?

Answer 4

yup.