What is the area, in square feet, of the shape below? Express your answer as a fraction in the simplest form.

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.