A conical tent made of canvas has a base that is 20 feet across and a slant height of 14 feet. To the nearest whole unit, what is the area of the canvas, including the floor? Use 3.14 for p.
A. 754 ft2

B. 1,193 ft2

C. 2,135 ft2

D. 534 ft2

Question

A conical tent made of canvas has a base that is 20 feet across and a slant height of 14 feet. To the nearest whole unit, what is the area of the canvas, including the floor? Use 3.14 for p. 
 A. 754 ft2  
 
 B. 1,193 ft2  
 
 C. 2,135 ft2  
 
 D. 534 ft2

nurali · Answer

Area of Cone = pi*r*L + pi * r^2 where L is the slant height of the cone
Surface Area = pi*10*14 + pi* (10)^2
Surface Area = 140 pi + 100 pi
Surface Area = 240 pi 
Surface Area = 240*3.14 = 753.6 cubic feet approx