Question

△CDE∼△PQR. CD=9 m, EC=15 m, PQ=15 m. What is the length of RP?

Answer 1

RP = 25

Explanation:

since the triangles are similar then the ratios of corresponding sides are in proportion, that is

`(RP)/(EC)` =
`(PQ)/(CD)` ( substitute values )

`(RP)/(15)` =
`(15)/(9)` ( cross- multiply )

9 RP = 15 × 15 = 225 ( divide both sides by 9 )

RP = 25