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Ludmilka [50]
4 years ago
7

A regular pentagon has an apothem measuring 3 cm and a perimeter of 21.8 cm.

Mathematics
2 answers:
zalisa [80]4 years ago
7 0

Answer:

area = 32.7 cm²

Step-by-step explanation:

The area (A) of a regular pentagon is

A = 0.5 × perimeter × apothem

  = 0.5 × 21.8 × 3 = 32.7

Charra [1.4K]4 years ago
5 0

Answer:

32.71 would be the area

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jenna has a piece of paper that is 84 square inches in area. it is 10 1/2 inches long. what is the length of the piece of paper
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Here is the solution based on the given problem above.
Given: Area of the piece of paper = 84 square inches
           Width = 10 1/2 or 10.5 inches long
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To find the area of an object, the formula would be A= L x W
Now, let's substitute the given values above
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3 years ago
What is a fraction pair that is equivalent to 2/15 and 4/9, and in which both fractions have a
Vesnalui [34]

Answer:

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Step-by-step explanation:

The least common denominator is the least common multiple (LCM) of 9 and 15.

The factors of those numbers are ...

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The LCM is the product of the unique factors to their highest powers:

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To make 2/15 have a denominator of 45, we need to multiply by 3/3:

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To make 4/9 have a denominator of 45, we need to multiply by 5/5:

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The desired fraction pair is 6/45 and 20/45.

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3 years ago
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Answer:

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Step-by-step explanation:

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Add 15 to both sides, since 15 is being subtracted.

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8q=64

Divide both sides by 8, since 8 and x are being multiplied.

8q/8=64/8

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3 years ago
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Leokris [45]

Answer:

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Step-by-step explanation:

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