The perimeter of an equilateral triangle is p and the length of a side is s. The formula for s is s = p = 3 Find the length of a side when the perimeter is 21 cm. = cm Write down a formula for p in terms

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Bas Kuis asked Mar 12, 2023

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The perimeter of an equilateral triangle is p and the length of a side is s.

The formula for s is s = p = 3
Find the length of a side when the perimeter is 21 cm. = cm
Write down a formula for p in terms of s. p =

Mathematics
high-school

Bas Kuis asked Mar 12, 2023

by Bas Kuis

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Answer:

s=7

p=3s

Explanation:

The perimeter is the side length times 3

So the equation would be p=3s

Plug in 21 for p

21=3s

That means s=7

ChuckJHardy answered Mar 17, 2023

by ChuckJHardy

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