Mathematics Knowledge第 49 / 120 题
The area of a triangle with base 10 and height 6 is:
a.30
b.16
c.60
d.45
解析
The area of a triangle equals one half times base times height. That is 0.5 times 10 times 6, which equals 30 square units. Forgetting the one-half factor gives the incorrect value 60.
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