Tina curled an 8 inch by 10 inch rectangular piece of paper along one of its sides to form an open cylinder with a height of 10 inches. Which measure of the cylinder will be 8 inches? the radius of the base the diameter of the base the area of the base the circumference of the base
Answers
Given : Tina curled an 8 inch by 10 inch rectangular piece of paper along one of its sides to form an open cylinder with a height of 10 inches.
To Find : Which measure of the cylinder will be 8 inches
Solution:
Tina curled an 8 inch by 10 inch rectangular piece of paper along one of its sides to form an open cylinder with a height of 10 inches.
Hence height of cylinder = 10 inches
and circumference of base of cylinder will be 8 inches
You can understand this by this :
curved surface area of cylinder = surface area of paper
= ( 2π r ) h = 10 x 8
height is 10 inches
=> ( 2π r ) * 10 = 10 x 8
=> 2π r = 8
2π r is circumference of base of cylinder
Hence circumference of base of cylinder will be 8 inches
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