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Burka [1]
3 years ago
12

I neeed help please ​

Mathematics
1 answer:
GenaCL600 [577]3 years ago
7 0

Option C:

interior angle 144°, exterior angle 36°

Solution:

The given image is a regular decagon.

Therefore the number of sides (n) = 10

Each interior angle = \frac{(n-2) \cdot 180}{n}

                                $=\frac{(10-2) \cdot 180}{10}

                                $=\frac{8\cdot 180}{10}

Each interior angle = 144°

Each exterior angle = \frac{360^{\circ}}{n}

                                 $=\frac{360^{\circ}}{10}

Each exterior angle = 36°

Hence interior angle 144°, exterior angle 36°.

Option C is the correct answer.

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