Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN: 9780547587776

Author: HOLT MCDOUGAL

Publisher: HOLT MCDOUGAL

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Question

Chapter 10.2, Problem 22E

To determine

To calculate value of x .

Expert Solution & Answer

Answer to Problem 22E

x =°

Explanation of Solution

Given information:

∠D=∠C∠A=∠B

∠A:∠c=2:1

Formula used: Angle sum property of quadrilateral.

Calculation:

As given,

∠D=∠C∠A=∠B (from figure)

∠C=x° and ∠A:∠c=2:1 so,

∠A=2x°

∠B=2x°

According to angle sum properties of quadrilateral,

∠A+∠B+∠D+∠C=360°

Substituting the value of angles,

2x+2x+x+x=3606x=360x=60

Value of x is, 60°

Chapter 10.2, Problem 21E

Chapter 10.2, Problem 23E

Chapter 10 Solutions

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

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

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