a right triangle ABC with sides 5cm, 12cm and 13cm is revolved about the side 12cm. find the volume of the solid so obtained?
Answers
Answered by
49
the base of the solid obtained will have radius = 5 cm
the solid will be a cone
volume = 1/3 π r²h
= 1/3 22/7 x 5² x 12
= 2200/7
=314.29 cm³
the solid will be a cone
volume = 1/3 π r²h
= 1/3 22/7 x 5² x 12
= 2200/7
=314.29 cm³
dhaarini:
really very helpful
radius of base is 5 cm how ????
i think 5 cm will be the perimeter of base......
no actually since its rotated the base will become 5
Similar questions