Question

Please help for dis que ...image is provided. ..help fastt!!!!

Answer 1

According to my knowledge, the angles must be equal
Then y^2 = 49 
y =+7 or -7

Answer 2

If EFGH is isosceles trapezoid, base angles must be equal.

∠HEF = ∠GFE
2y² - 25 = y² + 24
y² = 49 => y = +7 or -7