What is the area of the quadrilateral? A quadrilateral made up of two triangles. The figure is 8 meters tall at its tallest point, which is also the base of each triangle. The height of each triangle is 2 meters.

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answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1