Question

In ∆ DE||BC. If BC =8cm, DE=6cm and area of ∆ADE=45cm^2

, what is the area of ∆.

Answer 1

area of Δ ade / area of Δ ABC = de square / bc square
45 / area of Δ ABC = 6 square / 8 square
45/ area of Δ ABC = 36 / 64
area of Δ ABC = 0.012

Answer 2

6^2\8^2=45/x now solve it