2. A can of sardines has a radius of 12 cm and a height of 26 cm. Find its surface
area.
3. The base of a cone is 18 dm in diameter and a height of the curved surface is 21
dm. What is the surface area?
4. My classroom measures 6 m by 7 m by 5.4 m. How many square meters is the
surface area of my classroom?
5. Marvie wants to cover his 6-cylindrical cans with plastic. If each can be 12 cm
high and its diameter is 12 cm, how much materials are needed to cover all his
cans?
6. The surface area of a rectangular prism is 576 cm. Find its height if the length
is 12 cm and if the width is 8 cm.
7. A glass has a diameter of 10 cm and a height of 14 cm. What is the surface
area of the glass?
8. The area of the base of a square pyramid is 49 dm². If the height of the
triangular face is 8 dm, find its total surface area.
9. Compute the total surface area of the cube if its edge measures 12.7 cm.?
10. Which has a greater surface area, cylinder A with radius 7 cm and a height of
9 cin or cylinder B with radius 9 cm and a height of 7 cm?
area.
3. The base of a cone is 18 dm in diameter and a height of the curved surface is 21
dm. What is the surface area?
4. My classroom measures 6 m by 7 m by 5.4 m. How many square meters is the
surface area of my classroom?
5. Marvie wants to cover his 6-cylindrical cans with plastic. If each can be 12 cm
high and its diameter is 12 cm, how much materials are needed to cover all his
cans?
6. The surface area of a rectangular prism is 576 cm. Find its height if the length
is 12 cm and if the width is 8 cm.
7. A glass has a diameter of 10 cm and a height of 14 cm. What is the surface
area of the glass?
8. The area of the base of a square pyramid is 49 dm². If the height of the
triangular face is 8 dm, find its total surface area.
9. Compute the total surface area of the cube if its edge measures 12.7 cm.?
10. Which has a greater surface area, cylinder A with radius 7 cm and a height of
9 cin or cylinder B with radius 9 cm and a height of 7 cm?
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Verified answer
Answer:
. Find the lateral area of the prism.
SOLUTION:
ANSWER:
112.5 in2
Find the lateral area and surface area of each
prism.
2.
SOLUTION:
ANSWER:
Sample answer: L = 630 m2
; S = 850 m2
3.
SOLUTION:
The base of the prism is a right triangle with the legs
8 ft and 6 ft long. Use the Pythagorean Theorem to
find the length of the hypotenuse of the base.
Find the lateral and surface area.
ANSWER:
L = 288 ft2
; S = 336 ft2
4. CARS Evan is buying new tire rims that are 14
inches in diameter and 6 inches wide. Determine the
lateral area of each rim. Round to the nearest tenth.
SOLUTION:
ANSWER:
263.9 in2
Find the lateral area and surface area of each
cylinder. Round to the nearest tenth.
5.
SOLUTION:
ANSWER:
L ≈ 653.5 yd2
; S ≈ 1715.3 yd2
6.
SOLUTION:
ANSWER:
L ≈ 1409.9 cm2
; S ≈ 2063.6 cm2
7. FOOD The can of soup has a surface area of 286.3
square centimeters. What is the height of the can?
Round to the nearest tenth.
SOLUTION:
The surface area is the sum of the areas of the bases
and the lateral surface area. Solve for the height.
ANSWER:
10.0 cm
8. The surface area of a cube is 294 square inches.
Find the length of a lateral edge.
SOLUTION:
All of the lateral edges of a cube are equal. Let x be
the length of a lateral edge.
ANSWER:
7 in.
Find the lateral area and surface area of each
prism. Round to the nearest tenth if necessary.
9.
SOLUTION: eep them to scale.SOLUTION: ST = 7 since it i2.
Step-by-step explanation: