Answers

2016-01-25T17:05:06+08:00
How:

a of triangle: 1/2 (basexheight)
ex:
b: 2 cm
h:3 cm
solution:

2x3= 6
6x1/2= 3
area: 3 cm2
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2016-01-25T17:23:28+08:00
A= \frac{bh}{2}

For example:
h = 9 cm                                    b = 8 cm

A= \frac{(8cm)(9cm)}{2} \\A= \frac{72cm^2}{2} \\A=36cm^2

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