lisilyn2437
27.06.2019 •
Mathematics
The fountain in the middle of a park is circular, with a diameter of 16 feet. there is a walkway that is 3 feet wide that goes around the fountain. what is the approximate area of the walkway? a. 179 sq. ft. b. 159 sq. ft. c. 28 sq. ft. d. 16 sq. ft
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Ответ:
A. 179 sq. ft.
Step-by-step explanation:
Area of walkway + fountain: (3.14)11^2=379.94 ft^2
Area of fountain: (3.14)8^2=200.96 ft^2
Area of walkway : 379.94-200.96=178.98 ft^2 which is also rounded to 179ft^2
Ответ:
r=3c+5 you replace the 3rd number in the list of numbers, so
r=(3*12)+5 and now you just simplify and find r