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Question
Find the missing value:
| Base | Height | Area of Triangle |
| ______ | 31.4 mm | 1256 mm2 |
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Solution
| Base | Height | Area of Triangle |
| 80 | 31.4 mm | 1256 mm2 |
Explanation:
b = ?
h = 31.4 mm
Area = `1/2 xx b xx h` = 1256 mm2
`1/2 xx b xx 3.14` = 1256
b = `(1256xx2)/31.4`
b = 80 mm
Therefore, the base of triangle is 80 mm.
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