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7 February, 10:45

Two triangles each have adjacent sides of length 120 ft and 180 ft. The first triangle has an angle between the two sides of 40°, while the second triangle has an angle between the two sides of 60°.

What is the approximate difference between the areas of the two triangles?

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  1. 7 February, 14:21
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    Area of a triangle = 1/2absin C

    Difference between the areas of the two triangles = 1/2 (120) (180) (sin 60 - sin 40) = 10800 (0.2232) = 2411 square feet.
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