More Practice all Solids
Find the exact surface area of each solid except #8 and #9, round to the nearest hundredth.
1)
2)
4 in.
12 2
7 in.
12 in.
in.
8 in.
60
4 in.
9 in.
3) Regular Hexagonal Pyramid
4) Regular Pyramid
8 in.
24 in.
4
6 in.
14 in.
5)
6)
42 in.
10 ft .
6 ft .
12 ft .
6 ft .
4 ft .
7)
8)
8 ft .
12 ft .
12 ft .
38
8 ft .
10 ft .
9)
10)
25
8 ft .
5 in.
10 ft .
3 in.
10 ft .
8 in.
11) If a cylinder has a surface area of 80 ft 2 and the height is 3 feet, then what is the length
of the diameter of the cylinder?
12) If a right cylinder has a surface area of 127.2 cm2 and the diameter is 12 cm, then what
is the height of the cylinder?
6 ft .
1) 64  288 2  48 6  144 3 in2
2) 112  28 5 in2
3) 48 15  144 3 in2
4) 896 in
2
5) 88 ft 2 or 12672 in2
6) 64  144 ft 2
7) 624 ft 2
8) 1930.11 ft 2
9) 466.63 ft 2
10) 3248  27 3 in2
11) diameter  10 feet
12) height  4.6 cm