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andreyandreev [35.5K]
1 year ago
15

What is the number of sides in a regular polygon when the measure of each interior angle is 162?

Mathematics
1 answer:
Ira Lisetskai [31]1 year ago
8 0

Answer:

20

Step-by-step explanation:

interior angle + exterior angle = 180°

162° + exterior angle = 180° ( subtract 162° from both sides )

exterior angle = 18°

the sum of the exterior angles of a polygon = 360° , then

number of sides = 360° ÷ 18° = 20

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Answer:

94 children, 64 students, and 47 adults attended the movie theater.

Step-by-step explanation:

Let; a be for adults, s for students, and c for children.

Make a system to solve for the amount of people.

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a + 2a + s = 205

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Simplify.

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s = 205 - 3a

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Plug it in.

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Substitute.

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