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Glencoe Math: Course 2, Volume 2

GM

Glencoe Math: Course 2, Volume 2 View details

3. Triangles

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Exercise 35 Page 562

To find the area of a triangle, calculate one-half of the product of the base and the height.

36 in.^2

Practice makes perfect

Let's find the area of the given triangle. The area of a triangle is one-half the product of its base and its height.

In the given triangle, we can see that the base is 12 inches and that the height is 6 inches. We can substitute these two values into the formula for the area of a triangle and simplify. Let's do it!

A=1/2bh

b= 12, h= 6

A=1/2( 12)( 6)

▼

Evaluate right-hand side

Multiply

A=1/2(72)

MoveRightFacToNumOne

1/b* a = a/b

A=72/2

Calculate quotient

A=36

The area of the triangle is 36 square inches.

Subchapter links

Guided Practice p.558

Independent Practice p.559-560

H.O.T. Problems p.560

Standardized Test Practice p.560-562

Extra Practice p.561

Common Core Review p.562