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kari74 [83]
3 years ago
12

Find the missing angle measure in the triangle below.

Mathematics
1 answer:
Gekata [30.6K]3 years ago
5 0
All the angles in a triangle add up to 180 degrees
40+90=130
180-130=50
The missing angle is 50 degrees
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4 years ago
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Answer:

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Step-by-step explanation:

The area of a sector is given by the formula ...

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