Question

The figure below is a square within a square. Write an expression for the area of the shaded region.

Evaluate the expression from part (a) for x = 4.5
Hint: Use ^ to show exponents. For example, ft2 can be typed in the answer box ft^2

Answer 1

squares
ok, so the area of a square is side²

the shaded area=big square-small square=9²-x²

a.
for x=4.5
9²-4.5²=
81-20.25=
60.75 ft²
the area of the shaded reigon is 60.75 ft² when x=4.5