Question

15. If AB = 3, DE=30, and AC = 10, calculate DF.
Assume Triangle ABC~ Triangle DEF.

Answer 1

Explanation:

if triangle ABC ~triangle DEF ,

`(ab)/(de) = (ac)/(df) = (bc)/(ef)`

`(3)/(30) = (10)/(df) \: \: \: \: \: \\ 3df = 30 * 10 \\ df = (300)/(3) \\ df = 100`