Pearson Geometry Common Core, 2011
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Pearson Geometry Common Core, 2011 View details
1. Areas of Parallelograms and Triangles
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Exercise 16 Page 619

To find the area, calculate half of the product of the base and the height.

3ft^2

Practice makes perfect

We are asked to find the area of the given triangle.

The area of a triangle is half the product of its base and its height. The height is the altitude perpendicular to whichever side is being used as the base.

In the given triangle, we can see that the base is 2 feet and that the corresponding height is 3 feet. We can substitute these two values in the formula for the area of a triangle and simplify.
A=1/2bh
A=1/2(3)( 2)
A=1/2(6)
A=6/2
A=3
The area of the triangle is 3ft^2.