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1. Wheng will paint 8 spherical balls. Each ball has a radius of
30 cm. How much surface area will she paint?
What are the given facts of the problem?
a. 30 cm radius
b. 8 spherical balls only
c. 30 cm radius and 8 spherical balls
d. 30 cm radius, 8 spherical balls and pi=3.14
2. A closed cone model made of tin, has a radius of 6 cm and a
slant height of 10cm. find the amount of material used in
making the cone.
a. 300.44 cm?
b. 301 44 cm
C. 302.44 cm
d. 303.44 cm
3. A cylindrical fish tank is 12 inches tall. The radius of the fish
tank is 5 inches. How much paint does it take to cover the
tank?
a. 533.8 in
b. 553.3 in
c. 583.3 in
d. 599.8 in2
on a separate sheet of paper.
1. Wheng will paint 8 spherical balls. Each ball has a radius of
30 cm. How much surface area will she paint?
What are the given facts of the problem?
a. 30 cm radius
b. 8 spherical balls only
c. 30 cm radius and 8 spherical balls
d. 30 cm radius, 8 spherical balls and pi=3.14
2. A closed cone model made of tin, has a radius of 6 cm and a
slant height of 10cm. find the amount of material used in
making the cone.
a. 300.44 cm?
b. 301 44 cm
C. 302.44 cm
d. 303.44 cm
3. A cylindrical fish tank is 12 inches tall. The radius of the fish
tank is 5 inches. How much paint does it take to cover the
tank?
a. 533.8 in
b. 553.3 in
c. 583.3 in
d. 599.8 in2
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