emilywykel98 emilywykel98

31-01-2017
Mathematics

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Finding area of triangle??? Solving for x

Finding area of triangle Solving for x class=

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wolf1728 wolf1728

31-01-2017

arctangent (lower left angle) = 12 / 5
arctangent (lower left angle) = 2.4
lower left angle = 67.38 degrees

sine (67.38) = x / 5
x = 0.92254 * 5
x = 4.6127

area = .5 * height * base
area = .5 * 4.6127 * 13
area = 29.983

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