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? Write your answer as a whole number or decimal.____ inches
Q. 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? Write your answer as a whole number or decimal.____ inches
Identify Triangle Shape: Since the pillow is shaped like an equilateral triangle, each side is the same length, which is 7 inches. To find the perimeter, we need to add up all the sides.
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