4 years ago

A. Find the value of a. b. Find the value of the marked angles.

Mathematics

2 answers:

kap26 [50]4 years ago

8 0

Answer:

I agree. A is 15 degrees.

Galina-37 [17]4 years ago

3 0

Step-by-step explanation:

We can see that they are vertically opposite angles so they are equal. then

6a + 10° = 3a + 55°

6a - 3a = 55° - 10°

3a = 45°

Therefore a = 15°

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