Question

In the figure below, points A, B, and C are on a straight line. What is the measure of angle DBE

Answer 1

<DBE = 120

Explanation:

A straight angle (ABC) has 180 degrees.

20 + 40 + x = 180 Combine the left

60 + x = 180 Subtract 60 from both sides.

60-60 + x = 180 - 60

x = 120

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