Question

Here are a triangle and a rectangle

Answer 1

13.5cm

Explanation:

First find the area of the triangle.

9x8/2=36cm^2

The triangle is 6 times smaller, so multiply by 6 to get the area of the rectangle.

36x6=216

The area of the rectangle is 216cm^2

Length times width equals area, LxW=A

The length is 16cm and area is 216cm^2

16xW=216

Solve for w

W=216/16

W=13.5

Answer 2

13.5 cm.

Explanation:

The area of the triangle is 36 cm, (solved with the formula A=ab/2) so then we have to multiply by 6 to get the area of the rectangle, since the rectangle is 6 times larger. 36 times 6 is 216, so the area of the rectangle is so. Length times width equals area in the case of a rectangle, so we can reverse that and divide to find the width. 216/16 is 13.5, so the width of the rectangle is 13.5 cm.