themirzias
themirzias themirzias
  • 30-01-2020
  • Mathematics
contestada

Determine the approximate measure of angle E.

A. 70.5°
B. 81.0°
C. 109.5°
D. 113.6°

Determine the approximate measure of angle E A 705 B 810 C 1095 D 1136 class=

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sydney5097
sydney5097 sydney5097
  • 30-01-2020
Answer is C.

Law of cosines.

cos-1(-80/240)
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kipsey
kipsey kipsey
  • 30-01-2020
the answer to this question would be C
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