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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asked Sep 25, 2021 140k views

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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.

Mathematics
high-school

Fearofawhackplanet asked

by Fearofawhackplanet

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Answer:

11.4 units

Explanation:

diagonal² = 6² + 6² - 2(6)(6)cos(145)

diagonal² = 130.9789471888

diagonal = 11.444603409

Grapkulec answered Sep 30, 2021

by Grapkulec

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