themirzias themirzias

30-01-2020
Mathematics

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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

30-01-2020

Answer is C.

Law of cosines.

cos-1(-80/240)

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30-01-2020

the answer to this question would be C

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