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Angles ABC and DBE are vertical angles, with angle ABC = 4x, and angle DBE =( 2x+18)


Find Value of x AND

find angle DBE

Verified Answer :

crisforp

Vertical angles are equal.
We have 4x = 2x + 18.
Then, 2x = 18;
x = 18 ÷ 2;
x = 9 degrees;
The measure of angle DBE is 2 × 9 + 18 = 36 degrees.

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