Question

What is the measure of 78°

asked Jul 15, 2021 59.0k views

1 Answer

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Fatima Zohra · Answer 1 · 2021-07-20T15:12:32+0000

Answer:

51

∘

and

129

∘

Explanation:

Angles that are supplements sum to

180

∘

.

This means if one angle is called

A

∘

, the other angle is

(

A

−

78

)

∘

A

+

A

−

78

=

180

2

A

−

78

=

180

2

A

=

258

A

=

258

2

=

129

∘

A

−

78

=

129

−

78

=

51

∘

Explanation:

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