The inner and outer radii of a cylindrical pipe are 6cm and 7cm respectively. Find the area of cross section of the pipe.
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Answered by
5
please tell me what is cross section
mariya9:
cross section is not given
ok I am solving it
ok.
7-6cm=1cm=new radius, area of cross section=πr^2,=22/7×1^2,=22/7cm
=22/7cm^2
Answered by
6
Area of cross section = 3.14 x ((7)^2 - (6)^2)
= 3.14 x (49 - 36)
= 3.14 x 13
= 40.82 sq cm
= 3.14 x (49 - 36)
= 3.14 x 13
= 40.82 sq cm
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