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Maslowich
3 years ago
11

A square calendar has sides that are 20 Inches long. What is the calendar's perimeter? inches

Mathematics
1 answer:
Naddik [55]3 years ago
8 0

Answer:

80 in.

Step-by-step explanation:

to find the perimeter of a shape you add all of the side lengths together

20+20+20+20

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Find the measure of each interior angle of a regular octagon. (A regular polygon is one that has all the same sides and angles).
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The interior angle of a regular octagon is 135 degrees.

<h3>What is an octagon?</h3>

An octagon is a polygon that has 8 sides. Therefore, a regular octagon is a octagon with all it sides and angles equal to each other.

Therefore, the sum of angles in an octagon is each interior angle multiply by the number of sides.

Therefore,

n = number of sides = 8

Hence,

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learn more on octagons here: brainly.com/question/3828395

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3 years ago
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(a) If the breadth of rectangle in one-third of its length and perimeter is 80 cm, find the length and breadth of rectangle. ​
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Answer:

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Step-by-step explanation:  

Given that :  

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