The side of rhombus is 14 in. The obtuse angle is 160º. Find the longer diagonal of the rhombus.
1 answer:
Answer:
x = 27.57 in to the nearest hundredth.
Step-by-step explanation:
The longer diagonal is opposite the obtuse angle.
Also as it is a rhombus all sides = 14 in.
Use the Cosine Rule:
x^2 = 14^2 + 14^2 - 2*14^2 cos 160
x^2 = 760.36
x = sqrt 760.36
x = 27.57 in.
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Step-by-step explanation:
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y = 57
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