Geometry Flashcard
Flashcard
•
Mathematics
•
8th Grade
•
Hard
Wayground Content
FREE Resource
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for the circumference of a circle?
Back
C = 2πr, where C is the circumference and r is the radius.
2.
FLASHCARD QUESTION
Front
What is the formula for the area of a circle?
Back
A = πr², where A is the area and r is the radius.
3.
FLASHCARD QUESTION
Front
What is the formula for the volume of a sphere?
Back
V = \frac{4}{3}πr³, where V is the volume and r is the radius.
4.
FLASHCARD QUESTION
Front
What is the formula for the surface area of a cylinder?
Back
SA = 2πr² + 2πrh, where SA is the surface area, r is the radius, and h is the height.
5.
FLASHCARD QUESTION
Front
What is the value of π (pi) approximately?
Back
π ≈ 3.14.
6.
FLASHCARD QUESTION
Front
How do you find the radius if you know the circumference?
Back
r = \frac{C}{2π}, where C is the circumference.
7.
FLASHCARD QUESTION
Front
How do you find the radius if you know the area of a circle?
Back
r = \sqrt{\frac{A}{π}}, where A is the area.
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