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29-04-2021
Mathematics

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PLEASE HELP 50 POINTS
The angle measurements in the diagram are represented by the following expressions.

PLEASE HELP 50 POINTS The angle measurements in the diagram are represented by the following expressions class=

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mhanifa mhanifa

29-04-2021

Answer:

30°

Step-by-step explanation:

A and B are same side interior angles and hence supplementary:

m∠A + m∠B = 180°

Substitute values and solve for x:

6x - 18 + 14x + 38 = 180
20x + 20 = 180
20x = 160
x = 160/20
x = 8

Find the measure of ∠A:

m∠A = 6*8° - 18° = 30°

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