The area of a quadrilateral with diagonals d 1 and d 2 is A = 1/2d 1
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The area of a quadrilateral with diagonals d1 and d2 is A = 1/2d1d2sinθ, where d1 and d2 are the diagonals and θ is the angle between them. Find the area of an approximately four-sided grass fire with diagonals of 320 ft and 440 ft and θ = 72°.
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We can simply use the following formula to determine the quadrilaterals area A 12d1d2sin Substituting the values given in the problem we get A 12320 ft440 ftsin72 Using a calculator we can evaluate the sine of 72 to be approximately 0951 A 12320 ft440 ft0951 A 705456 sq ft Therefore the area of the quadrilateral ...View the full answer
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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