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3 years ago

Please answer ASAP, thank you!

Mathematics

2 answers:

Mkey [24]3 years ago

4 0

Answer:

1) a = 110

2) b = 65

3) c = 115 d= 65 e = 115

How I found the last one?

The whole thing equals 360.

d is equal to 65 so I added those together.

That equals 130. So i subtracted that from 360.

I got 230. Next, I divided that by 2 to get the final 2 angles.

Sveta_85 [38]3 years ago

3 0

Answer:

a. a and 70º are Supplementary angles (add up to 180º)

Therefore, $a + 70\º = 180\º \Rightarrow a=110\º$

b. a and 25º are Complementary angles (add up to 90º)

Therefore, $a + 25\º = 90\º \Rightarrow a=65\º$

c. c and 65º are Supplementary angles (add up to 180º)

Therefore, $c + 65\º = 180\º \Rightarrow c=115\º$

d and 65º are opposite angles, therefore $d=65\º$

c and e are opposite angles, once $c=115\º$ , $e=115\º$ as well.

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