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Chapter 1: Q72. (page 32)

For the following figure, the formula for the area A of a triangle is A=12bh. Where b is the measure of the base and h is the measure of height. Write an expression to represent the area of the triangle.

Short Answer

Expert verified

The solution is A=12x2+8x+15.

Step by step solution

01

Step 1- Consider the figure.

Consider the figure.

02

Step 2- Step description.

Substitute the measure of height and base from the figure into the formula and simplify as follows:

A=12bhA=12(x+3)(x+5)A=12(x2+8x+15)

03

Step 3- Step description.

Therefore, the expression for the area is A=12x2+8x+15.

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