Answer :
Both triangles share the same length of side for y. Also the triangle is an isosceles triangle which means side x equals side z. The other two angles therefore would measure 45 degrees each. And so, this can be represented as shown below;
Both triangles share the same length of side for y. Also the triangle is an isosceles triangle which means side x equals side z. The other two angles therefore would measure 45 degrees each. And so, this can be represented as shown below;