9. April's test scores in physics are 78, 85,65, 82, 90, and 95. Find the mean
2 answers:
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To find the area of a triangle with the given sides a, b and c we use an expression,
Area =
Where,
By applying this formula area of the given triangle is 4.8 m².
Side lengths of the triangle are 2m, 4.8m and 5.2m
Therefore,
Now substitute these values in the formula,
Area =
=
= 4.8 m²
Therefore, area of the triangle with the given sides is 4.8 m².
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