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McGraw Hill Glencoe Geometry, 2012

MH

McGraw Hill Glencoe Geometry, 2012 View details

6. Two-Dimensional Figures

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Exercise 8 Page 61

Use the formulas for perimeter and area of a triangle.

Perimeter: $40 m$
Area: $60 m^{2}$

Practice makes perfect

Let's calculate the perimeter and area separately.

Perimeter

The perimeter of a figure is the sum of the side lengths. For a triangle, this is the sum of sides

a,

b,

and

c .

P = a + b + c

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Subchapter links

Check Your Understanding p.61

Practice and Problem Solving p.61-63

H.O.T. Problems p.63

Standardized Test Practice p.64

Spiral Review p.64

Skills Review p.64