The height of the cylinder is 10cm, and the radius of the base is 1cm. find the area of the axial section.
| August 4, 2021 | education
A cylinder is a shape created by rotating a rectangle around its side.
The axial section of a cylinder is a section by a plane passing through its axis, that is, through the centers of its bases.
The axial section of the cylinder is a rectangle. Therefore, the area of the axial section is equal to the product of the diameter of its base by the height:
Sс.section. = d * h.
Since the radius of the base is 1 cm, and the diameter is equal to twice the radius, then:
d = 2r;
d = 2 * 1 = 2 cm.
Sс.section. = 2 * 10 = 20 cm2.
Answer: the area of the axial section of the cylinder is 20 cm2.
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