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24 September, 22:45

If possible, find the area of the triangle defined by the following:

b = 45, c = 20, a = 71°.

a.) 465.4 square units

b.) 189.1 square units

c.) 425.5 square units

d.) 405.2 square units

I'd really like to know which of these is correct.

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Answers (1)
  1. 24 September, 23:03
    0
    Given that the area has two sides and one angle measure given by:

    b=45, c=20 and A=71°

    The area of the triangle will be given by:

    Area=1/2ab sin theta

    Area=1/2*45*20*sin 71

    Area=425.48 square units

    =425.5 square units

    The answer is C. 425.5 square units
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