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Novay_Z [31]
3 years ago
9

I am trying to solve this but I don't understand.

Mathematics
1 answer:
VashaNatasha [74]3 years ago
5 0

Answer:

a = 42 b = 21

Step-by-step explanation:

a is 42 since it ks vertically opposite 42

To solve for b

360 - (42×2)........to get the angle next to a

=276... Divde answer by 2. Bc there are two of the angles

276÷2 =138

138 + 2b =180

2b = 180 - 138

b = 42 ÷ 2

b = 21

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