The Floor of a Rectangular Room That Measures 10 Feet $a = 10 , b = 12$

question 120

Multiple Choice

The floor of a rectangular room that measures 10 feet by 12 feet is partially covered with a circular rug with a radius of 4 feet (see figure) . What percent of the floor is covered by the rug? Round your answer to the nearest integer.

$a = 10 , b = 12$

• A)46%
• B)42%
• C)10%
• D)21%
• E)58%

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Definitions:

Wavelength

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Pupil

The opening in the center of the iris of the eye that allows light to enter the retina.

Iris

The colored part of the eye that controls the size of the pupil and the amount of light that enters the eye.

Muscles

Tissues in the body that have the ability to contract, enabling movement of the body and maintenance of posture.