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Question
The table given below contains some measures of the right angled triangle. Find the unknown values.
| Base | Height | Area |
| 20 cm | 40 cm | ? |
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Solution
Area of the right triangle = `1/2 xx ("base" xx "height") "unit"^2`
b = 20 cm
h = 40 cm
Area = `1/2 ("b" xx "h") "cm"^2`
= `1/2 xx 20 xx 40`
= 400 cm2
A = 400 cm2
Tabulating the unknown values
| Base | Height | Area |
| 20 cm | 40 cm | 400 cm2 |
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