Question

Find X and Y of the triangle

Answer 1

x = 6.75, y = 15

Explanation:

By Pythagoras Theorem,

12^2 + 9^2 = (y+5)^2

y = 15

By AA Similarity Test, Triangle BCA is similar to BED

x/9 = 15 (found y) / (15+5)

x = 6.75