The dimensions of triangle B are twice the dimensions of triangle A. The area of triangle A is 28 cm2.

What is the area of triangle B?

A.

112 cm2

B.

18 cm2

C.

12 cm2

D.

27 cm2

Area of triangle B is 112 cm²

Option A is correct option.

Step-by-step explanation:

The dimensions of triangle B are twice the dimensions of triangle A.

Area of triangle A = 28 cm²

We need to find area of triangle B

We know that if base = b and height = h for triangle A

The area of triangle A will be:

The dimensions for triangle B will be:

Putting in formula we get:

SO, we get

We have Area_A = 28 cm²

Area of triangle B Area _B is:

So, Area of triangle B is 112 cm²

Option A is correct option.

answer: it's a

step-by-step explanation: