What is the perimeter of a rhombus-shaped highway sign with a 20-centimeter side?

1 Answer
Anthony X
Apr 27, 2016

Since a rhombus has equal side lengths, we can find the perimeter, or the sum of the side lengths, given one length.

We are given that a side is 20 centimeters. Rhombi have 4 sides, so 20 cm on each side would give us #20*4 = 80# so

80 cm = perimeter

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