Pre-Algebra

1st Edition

ISBN: 9780618800766

Author: Ron Larson, Lee Stiff, Laurie Boswell, Timothy Kanold

Publisher: Houghton Mifflin-High School

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Question

Chapter 10.4, Problem 4C

(a)

To determine

To calculate which circle has greater area

(a)

Expert Solution

Answer to Problem 4C

Area of circle of Radius 7 cm

Explanation of Solution

Given Information: Area of circle of Diameter 12 cm and Area of circle of radius 7 cm.

Formula Used:Comparison

Calculation:

Area of circle of Diameter 12 cm = 113.14 cm²

Area of circle of Radius 7 cm = 154 cm²

Hence,

Area of circle of Radius 7 cm has greater area then Area of circle of Diameter 12 cm.

(b)

To determine

To calculate the Area.

(b)

Expert Solution

Answer to Problem 4C

113.14 cm²

Explanation of Solution

Given Information: Diameter = 12 cm.

Formula Used:Area of circle = π×r2 , π=227 , radius=diameter2 .

Calculation:

Diameter = d, Radius = r.

Now, diameter is of 12cm.

So, radius=diameter2

Put the value of diameter to find the radius.

radius=122 cm.

Hence,

radius=6 cm.

Area of circle = π×r2

Area of circle = π×62 cm²

Now, π=227

Put the value of π to find the area

Area of circle = 227×6×6 cm²

Area of circle = 113.14cm²

(c)

To determine

To calculate the Area.

(c)

Expert Solution

Answer to Problem 4C

154 cm²

Explanation of Solution

Given Information: Radius = 7 cm.

Formula Used:Area of circle = π×r2 , π=227

Calculation:

Diameter = d, Radius = r.

radius=7 cm.

Area of circle = π×r2

Area of circle = π×72 cm 2

Now, π=227

Put the value of π to find the area

Area of circle = 227×7×7 cm²

Area of circle = 154 cm²

Chapter 10.4, Problem 3C

Chapter 10.4, Problem 5C

Chapter 10 Solutions

Pre-Algebra

Ch. 10.1 - Prob. 1C Ch. 10.1 - Prob. 2C Ch. 10.1 - Prob. 3C Ch. 10.1 - Prob. 1E Ch. 10.1 - Prob. 2E Ch. 10.1 - Prob. 3E Ch. 10.1 - Prob. 4E Ch. 10.1 - Prob. 5E Ch. 10.1 - Prob. 6E Ch. 10.1 - Prob. 7E

Ch. 10.1 - Prob. 8E Ch. 10.1 - Prob. 9E Ch. 10.1 - Prob. 10E Ch. 10.1 - Prob. 11E Ch. 10.1 - Prob. 12E Ch. 10.1 - Prob. 13E Ch. 10.1 - Prob. 14E Ch. 10.1 - Prob. 15E Ch. 10.1 - Prob. 16E Ch. 10.1 - Prob. 17E Ch. 10.1 - Prob. 18E Ch. 10.1 - Prob. 19E Ch. 10.1 - Prob. 20E Ch. 10.1 - Prob. 21E Ch. 10.1 - Prob. 22E Ch. 10.1 - Prob. 23E Ch. 10.1 - Prob. 24E Ch. 10.1 - Prob. 25E Ch. 10.1 - Prob. 26E Ch. 10.1 - Prob. 27E Ch. 10.1 - Prob. 28E Ch. 10.1 - Prob. 29E Ch. 10.1 - Prob. 30E Ch. 10.1 - Prob. 31E Ch. 10.1 - Prob. 32E Ch. 10.2 - Prob. 1C Ch. 10.2 - Prob. 2C Ch. 10.2 - Prob. 3C Ch. 10.2 - Prob. 1E Ch. 10.2 - Prob. 2E Ch. 10.2 - Prob. 3E Ch. 10.2 - Prob. 4E Ch. 10.2 - Prob. 5E Ch. 10.2 - Prob. 6E Ch. 10.2 - Prob. 7E Ch. 10.2 - Prob. 8E Ch. 10.2 - Prob. 9E Ch. 10.2 - Prob. 10E Ch. 10.2 - Prob. 11E Ch. 10.2 - Prob. 12E Ch. 10.2 - Prob. 13E Ch. 10.2 - Prob. 14E Ch. 10.2 - Prob. 15E Ch. 10.2 - Prob. 16E Ch. 10.2 - Prob. 17E Ch. 10.2 - Prob. 18E Ch. 10.2 - Prob. 19E Ch. 10.2 - Prob. 20E Ch. 10.2 - 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