359,225 views
28 votes
28 votes
Find the missing length. The triangles are similar.

Can someone help me?

Need to show the work

Find the missing length. The triangles are similar. Can someone help me? Need to show-example-1
User Asset Bekbossynov
by
2.7k points

1 Answer

28 votes
28 votes

Answer:

AB =
(108)/(7)

Explanation:

Δ ALM and Δ ACB are similar, then the ratios of corresponding sides are equal, that is


(AM)/(AB) =
(AL)/(AC) , substitute values


(12)/(AB) =
(14)/(18) =
(7)/(9) ( cross- multiply )

7AB = 108 ( divide both sides by 7 )

AB =
(108)/(7) ( = 15
(3)/(7) )

User Pietro Biroli
by
2.9k points