Mathematical Reasoning第 55 / 120 题
A square has a perimeter of 36 cm. What is the length of one side?
a.6 cm
b.12 cm
c.9 cm
d.18 cm
解析
A square has four equal sides, so divide the perimeter by 4: 36 ÷ 4 = 9 cm. Perimeter is the total distance around a shape. Each side of this square measures 9 cm.
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