Cylinder -- Surface Area

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for the surface area of a cylinder?
Back
The surface area (SA) of a cylinder is given by the formula: SA = 2πr(h + r), where r is the radius and h is the height.
2.
FLASHCARD QUESTION
Front
How do you find the radius of a cylinder if you know the diameter?
Back
To find the radius, divide the diameter by 2. Radius (r) = Diameter (d) / 2.
Tags
CCSS.7.G.B.4
3.
FLASHCARD QUESTION
Front
What is the difference between surface area and volume?
Back
Surface area measures the total area that the surface of an object occupies, while volume measures the amount of space an object occupies.
4.
FLASHCARD QUESTION
Front
If a cylinder has a height of 10 cm and a radius of 5 cm, what is its total surface area?
Back
Total Surface Area = 2πr(h + r) = 2π(5)(10 + 5) = 471.24 square cm.
5.
FLASHCARD QUESTION
Front
What units are used to measure surface area?
Back
Surface area is measured in square units, such as square centimeters (cm²), square meters (m²), or square inches (in²).
6.
FLASHCARD QUESTION
Front
What is the lateral surface area of a cylinder?
Back
The lateral surface area (LSA) of a cylinder is the area of the curved surface, calculated as LSA = 2πrh, where r is the radius and h is the height.
7.
FLASHCARD QUESTION
Front
How do you calculate the total surface area of a cylinder?
Back
Total Surface Area = Lateral Surface Area + Area of the two bases = 2πrh + 2πr².
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