Question

These two triangles are similar .Find side lengths a and b .The two figures are not drawn to scale.

Answer 1

The 10 side is proportional to the 4 side

Or left triangle is 2.5 times bigger than right triangle.

(15 / a) = 2.5

a = 15 / 2.5

a = 6

(b/9) = 2.5

b = 9 * 2.5

b = 22.5

Explanation: