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The perimeter of an equilateral triangle with side s is 3s. Diana is making a decorative pillow for her living room. The pillow is shaped like a triangle with lace around the edges. Each side of the pillow is 7 inches long.

What is the perimeter of the pillow?

2 Answers

4 votes
the answer is 21 hope this helps
User Umbrella
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3 votes

Answer:

easy 21

This is right

User Kapex
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