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Geometry! 6.) Find the measure of a.
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Geometry!
6.) Find the measure of a.

Geometry! 6.) Find the measure of a.-example-1
User Broofa
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1 Answer

1 vote
Use the law of cosines.
a^2 = b^2 + c^2 - 2bc(cos(A))
a^2 = 11^2 + 8^2 - 2(11)(8)cos(32.2)
a^2 = 121 + 64 - 176cos(32.2)
a^2 = 185 - 176cos(32.2)
a^2 = 36.0700028
a = 6

User George Ananda Eman
by
8.0k points
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