Back to Use facts about supplementary, complementary, vertical, and adjacent angles to solve simple equations — Problem 2 · Task Set 15

Angle Relationships and Equations

For each problem, identify the angle relationship, write an equation, solve, and verify your answer.

Grade 7·21 problems·~35 min·Common Core Math - Grade 7·standard·7-g-b-5
Work through problems with immediate feedback
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Fluency Practice

1.

Two angles are complementary. One angle measures (2x10)°(2x - 10)\degree and the other measures 56°. Find the value of xx.