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13-11-2022
Mathematics

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The following angles are supplementary to each other.

m∠C = (2x + 18)° and m∠D = (3x − 18)°

Determine x.

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chetankachana chetankachana

13-11-2022

Answer:

x = 36°

Step-by-step explanation:

Hello!

If angles are supplementary, that means that the sum of those angles is 180°.

Set up an equation and solve for x.

Solve for x

2x + 18 + 3x - 18 = 180
5x = 180
x = 36

The measure of x is 36°.

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