what will be the radius if height is 7 cm and diameter is 21 CM of a cylinder
Answers
Answered by
1
Answer:
Radius = 1/2 Diameter
= 1/2 × 21
= 10.5 cm.
Answered by
0
Step-by-step explanation:
Definition: The number of square units it takes to exactly cover the surface of a cylinder. Given by the formula:
area
=
2
π
r
2
+
2
π
r
h
where:
π is Pi, approximately 3.142
r is the radius of the cylinder
h height of the cylinder
Try this Drag the orange dot to resize the cylinder, note how the area is calculated.
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