Grade 7 Math Sample Question 12

A table top is in the shape of an equilateral triangle. If the perimeter of
the table top is 420 cm, what is the length of one side of the table?

A) 140 cm (Correct Answer)

B) 180 cm

C) 35 cm

D) 105 cm

Explanation:
An equilateral triangle has 3 equal length sides: 3x = 420; x = 140

Related Common Core State Standard: Geometry: 7.G.2

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Ray Shawn