mohammadqaffaf2 mohammadqaffaf2

18-04-2021
Mathematics

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Two angles are complementary. The measure of ∠ABC is x° and the measure of ∠DBC is (3x + 20)°. What is the value of x? pls help asap

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thebecks thebecks

18-04-2021

Answer:

x = 17.5°

Step-by-step explanation:

complementary means their sum is 90°.

x + 3x + 20° = 90°

4x = 70°

x = 17.5°

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