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Please help. Trig: Laws of Cosines If a rhombus whose side measures 6 and the smaller angle is 145*, find the length of the larger diagonal, to the nearest tenth.
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Please help. Trig: Laws of Cosines

If a rhombus whose side measures 6 and the smaller angle is 145*, find the length of the larger diagonal, to the nearest tenth.

User Fearofawhackplanet
by
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1 Answer

4 votes

Answer:

11.4 units

Explanation:

diagonal² = 6² + 6² - 2(6)(6)cos(145)

diagonal² = 130.9789471888

diagonal = 11.444603409

User Grapkulec
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8.2k points
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