1.
The total surface area of a cylinder with radius 7 cm and height 10 cm is:
A
748 cm²
B
374 cm²
C
440 cm²
D
880 cm²
Answer and explanation
Correct Answer: A — 748 cm²
TSA = 2πr(h + r) = 2 × (22/7) × 7 × (10 + 7) = 44 × 17 = 748 cm².
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2 practice sets · Page 1 of 1
The total surface area of a cylinder with radius 7 cm and height 10 cm is:
748 cm²
374 cm²
440 cm²
880 cm²
TSA = 2πr(h + r) = 2 × (22/7) × 7 × (10 + 7) = 44 × 17 = 748 cm².
What is the area of a triangle with base 10 cm and height 6 cm?
30 cm²
60 cm²
20 cm²
15 cm²
Area = (1/2) × base × height = (1/2) × 10 × 6 = 30 cm².