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EXAMPLE 4

Because TPQ and QPR form a linear pair, the sum of their measures is 180. ANSWER. The correct answer is B. EXAMPLE 4. Standardized Test Practice. SOLUTION. Because TPQ and QPR form a linear pair, the sum of their measures is 180°. The correct answer is B.

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EXAMPLE 4

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  1. Because TPQand QPRform a linear pair, the sum of their measures is 180. ANSWER The correct answer is B. EXAMPLE 4 Standardized Test Practice SOLUTION

  2. Because TPQand QPRform a linear pair, the sum of their measures is 180°. The correct answer is B. for Example 4 GUIDED PRACTICE Use the diagram in Example 4. 7. Solve for x. SOLUTION 32 + (3x +1) = 180 Original equation 32 + 3x +1 = 180 Distributive property of equality 3x = 147 Subtract 33 from each side x = 49 Divide each side by 3

  3. 8. Find m TPS. m TPS = (3x + 1)° m TPS = (147 +1)° m TPS = 148° m TPS = (3 49 +1)° for Example 4 GUIDED PRACTICE Use the diagram in Example 4. SOLUTION Substitute the value x = 49

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