Question

If AC= 40 find the length of jk​

Answer 1

JK = 24

Explanation:

Δ BKJ and Δ BCA are similar and ratios of corresponding sides are equal, that is

`(JK)/(AC)` =
`(BK)/(BC)` , substitute values

`(JK)/(40)` =
`(3)/(5)` ( cross- multiply )

5JK = 120 ( divide both sides by 5 )

JK = 24