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Find m ABC. Need help
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2 votes
Find m ABC. Need help

Find m ABC. Need help-example-1
User Scott Miller
by
3.5k points

2 Answers

4 votes

Answer:

30 degrees

Explanation:

User Francisco Fernandez
by
4.0k points
0 votes

Answer:

<ABC = 30°

Explanation:

<ABC + <CBD = 90 [Complementary angles add up to 90°]

x+7+2x+14 = 90

3x + 21 = 90

3x = 90-21

3x = 69

Dividing both sides by 3

x = 23

Now

<ABC = 23+7

<ABC = 30°

User Zubair Ahmed
by
3.3k points
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