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What’s the value of DCB? Pls help
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19 votes
What’s the value of DCB?
Pls help

What’s the value of DCB? Pls help-example-1
User Jarek
by
5.2k points

1 Answer

6 votes

Answer:

78

Explanation:

angle ACD + angle DCB = 180 (Angles on straight line)

4x + 2 + 3x + 3 = 180

7x + 5 = 180

7x = 180-5

7x = 175

x = 175 / 7

x = 25

angle DCB = 3x +3 = 3*25 + 3 = 75 +3 = 78

User Swolf
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