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Mathematics 16 Online
OpenStudy (anonymous):

Matt bought an outdoor wall light fixture. The fixture has semicircular ends at the top and bottom as shown. The side of the fixture that faces the wall is open.

OpenStudy (anonymous):

OpenStudy (anonymous):

What is the exterior surface area of the light fixture? A. 44π in2 B. 56 in2 C. 72π in2 D. 105π in2

OpenStudy (yanasidlinskiy):

72π in^2 --------- Exterior Surface Area of the "Half Cylinder" = 1/2 * 2 pi (4) (14) + pi (4)^2 ESA = 56 pi + 16 pi ESA = 72 pi square inches

OpenStudy (anonymous):

thank u

OpenStudy (yanasidlinskiy):

No problem!:) Glad to help!:)

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