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Ray Of Light [21]
3 years ago
10

Can anyone help me with this?

Mathematics
2 answers:
-Dominant- [34]3 years ago
7 0
A=60
B=52
C=152
I’ve attached my work on how I got these answers
Hope this helps!

Elenna [48]3 years ago
6 0

Answer:

Step-by-step explanation:

a + 45 + 70 = 180             45 becomes an interior angle by being opposite a given vertically opposite angle.

a + 115 = 180                      Subtract 115 from both sides

a = 65

b + 68 + 65 = 180            A straight line is 180 degrees.

b +  133 = 180

b = 180 - 133

b = 47

In the triangle b + c + 100 = 180

b = 47

47 + c + 100 = 180

147 + c = 180

c = 33

If C is an exterior angle then C + 33 = 180

C = 147

You have to decide whether c is an interior angle ( in which it is 33) or an exterior angle (in which case it is 147).

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