the total surface area of a cone is 704sq cm and radius of its base is 7 cm, find its slant height and perpendicular height. (pie=22/7)
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Answer:
The following details are as below :
s.l =?
total surface area = 704sq
π= 22/7
Step-by-step explanation:
- Total surface area = 704
- r = 7 cm
- total surface area = πr(l+r)
- 704 = 22/7×7( l + r)
- 32 = 22/7×7( l + 7)
- 32 = l + 7
- l = 32 - 7
- = 25 cm
hope it will help you
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