Question

TriangleABC is semilr to triangleDEF If BC=5and EF=4 then area of triangleABC=144 then area of triangleDEF=?

Answer 1

Answer:

Area of ∆abc/area of ∆def=(BC/EF)²

=>144/Area of ∆def=(5/4)²

=>144/area of ∆def=25/16

=>Area of ∆def=(144×16)/25cm²=92.16cm²