Question

area of triangle is half of rectangle .if area of rectangle is 40cm then find the area of triangle.​

Answer 1

Area of ∆ = 1/2 ×area of rectangle

area of∆= 1/2×40

= 20cmsq.

Answer 2

Step-by-step explanation:

Given that

Area of rectangle is 40cm sq.

Area of triangle is half of area of rectangle

To find

Area of triangle

Solution

$area \: of \: triangle = \frac{1}{2} \times area \: of \: rectngle \\ = \frac{1}{2} \times 40 \\ = 20$

hence

$area \: of \: triangle \: is \: 20 {cm}^{2}$