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15 January, 18:48

In this lesson, you learned new formulas to find the area of a triangle. How are these formulas different from the commonly known A = ½bh? What would be the use of each formula? Would you use radians in any of the formulas? Give examples.

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  1. S
    15 January, 22:33
    0
    Aside from the conventional formula for triangle, A = ½bh which is only applicable to problems where the base and height are already given and the triangle is a right triangle having a degree of 90. There are some formulas in getting the area of a triangle:

    >Given three sides of the triangle, use Heron's Formula

    A = sqrt (s (s-a) (s-b) (s-c))

    s = (a+b+c) / 2

    >Given two sides with an included angle

    Area = 1/2 ab sin (tetha)

    tethat should be in degrees
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