Question

Let the ∆ABC~∆DEF and there areas be respectively 64cm×64cm and 81cm×81cm if EF=18cm find the of bc

Answer 1

Step-by-step explanation:

GIVEN THAT

EF= 18 CM

ar(∆ABC)=64 cm

ar(∆DEF)=81cm

ar(ABC)/ar(DEF)=(BC/EF)²

64cm²/81cm²= BC²/18cm²

8/9=BC/18.

8/9*18=BC

8*2=BC

16 cm =BC Ans

Hope it's clear to you

make brainliest answer pls