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Question:
An isosceles triangle has two equal sides. If two of the equal sides are 5 inches and the other one is 2 inches, how long is the perimeter?
A
12 inches.
explanation
The other side must be 5 inches otherwise the two shorter sides could not meet. The perimeter is the distance around the outside of the triangle and is 5 + 5 + 2 = 12.
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