Mathematical Reasoning第 49 / 120 题
What is the area of a triangle with a base of 10 cm and a height of 6 cm?
a.30 cm²
b.16 cm²
c.60 cm²
d.24 cm²
解析
Area of a triangle is one-half the base times the height: (1/2)(10)(6) = 30 cm². The factor of one-half distinguishes a triangle from a rectangle of the same base and height. Area is measured in square units.
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