WarrenWlliams WarrenWlliams

11-09-2021
Mathematics

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What is the measure of

What is the measure of class=

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mhanifa mhanifa

12-09-2021

Answer:

39°

Step-by-step explanation:

∠ABC is marked as right angle, 90°.

∠ABD and ∠CBD are complementary angles, so their sum is 90°.

m∠ABD = 90° - m∠CBD = 90° - 51° = 39°

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