一道用英文的數學題 (SOS!)

2008-08-19 7:35 pm

The area of a parallelogram is equal to the area of a triangle. The height of the triangle is 5cm. If the two figures have the same base, find the height of the parallelogram.


Let the height of the parallelogram be h cm and their bases be b cm.


要用方程來計算。用英文書寫。

回答 (1)

2008-08-19 7:48 pm
✔ 最佳答案

Let the height of the parallelogram be h cm and their bases be b cm.

Area of the parallelogram = bh cm2
Area of the triangle = (1/2)5h cm2

bh = (1/2)5h
bh = 2.5h
b = 2.5

Ans: The height of the parallelogram is 2.5 cm.
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