The area of a quadrilateral with diagonals d 1 and d 2 is A 1 2d 1 d 2 sin, where d 1 and d 2 are the diagonals and is the angle between them Find the area of an approximately four sided grass fire with diagonals of 320 ft and 440 ft and 72 ...

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 ...

The area of a quadrilateral with diagonals d 1 and d 2 is A = 1/2d 1

Question:

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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