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McGraw Hill Glencoe Geometry, 2012

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McGraw Hill Glencoe Geometry, 2012 View details

1. Circles and Circumference

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Exercise 36 Page 702

What is the formula for finding the circumference of a circle?

Radius: $4.25 in .$
Circumference: $26.7 in .$

Practice makes perfect

Let's find the length of the radius and the circumference separately.

Diameter

To find the radius, we can divide the given diameter by

2 .

From the exercise, we know that the diameter of the circle is

8 \frac{1}{2}

inches.

r = \frac{d}{2} \to r = \frac{8 \frac{1}{2}}{2}

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Subchapter links

Check Your Understanding p.701

Practice and Problem Solving p.701-704

H.O.T. Problems p.704

Standardized Test Practice p.705

Spiral Review p.705

Skills Review p.705