Question

in a triangle ABC and triangle DEF, AB/DE=2/3 and area of triangle ABC=5cm^2. Find the area of triangle DEF

Answer 1

Area of ABC/area of DEF = AB^2/DE^2

5/area of DEF = 2^2/3^2

Area of DEF = 5×9/4

AREA OF DEF = 45/4cm^2