The shadow of a building is 40 ft. long. The angle between the ground and the line to the sun is 35°. Draw a diagram and find the height of the building. 22.9 ft. 28.0 ft. 57.1 ft.

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d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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47.28 or 47.2857143

step-by-step explanation:

you just divide 331 by 7 and you get that answer. ( i think so tho)