A parallelogram has sides of lengths 7 and 4, and one angle is 36°. What is the length of the smaller diagonal? length = 4.438 units What is the length of the longer diagonal? length = units
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The Law of Cosines states that for any triangle with sides a, b, and c and angle C opposite side c: c^2 = a^2 + b^2 - 2ab*cos(C) In this case, the sides of the parallelogram are 7 and 4, and the angle opposite the smaller diagonal is 36°. Let's denote the length Show more…
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