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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 65 Page 64

Substitute the given values into the expression and simplify.

169.6

Practice makes perfect

To evaluate the given expression for r= 3 and h= 6 we should substitute these values into the expression and simplify as much as possible.

2π r h + 2π r^2

r= 3, h= 6

2 π( 3)( 6) + 2 π( 3)^2

Calculate power

2 π(3)(6) + 2 π(9)

CommutativePropMult

Commutative Property of Multiplication

2(3)(6)π + 2(9)π

Multiply

36π + 18π

Add terms

54 π

Use a calculator

169.646003 ...

Round to 1 decimal place(s)

169.6

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