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3 years ago

A:180 B:30 C:170 D:25

Mathematics

2 answers:

tekilochka [14]3 years ago

7 0

Answer:

The answer is B. Hope this helps!

Step-by-step explanation:

105 degrees is from a b to d and a b to c is 75 and 105 - 75 =30.

alexdok [17]3 years ago

6 0

Answer:

30*

Step-by-step explanation:

If ABD is 105* then it would be <ABC+<CBD=105*. We know that <ABC is 75* so we can fill that in. 75*+<CBD=105*. Then we solve.

75* + <CBD = 105*

-75* -75*

<CBD=30*

So that's how I got it.

The asterisks are the degree signs.

hope this helps

brainliest?

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