Question

Please help ASAP I dont get it ​

Answer 1

A)

triangles are similar by AA, Check the picture below.

B)

if DE = 222, then

`\cfrac{AB}{DE}=\cfrac{BC}{DC}\implies \cfrac{AB}{222}=\cfrac{76}{24}\implies \cfrac{AB}{222}=\cfrac{19}{6} \\\\\\ AB=\cfrac{(222)19}{6}\implies AB=703`