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Question 1. Asked on :13 January 2019:11:44:06 AM

#### THe slant height of cone is 10 cm and its base radius is 8 cm. Find the total surface area of cone.

-Added by Akki chauhan Mathematics » Surface Ares And Volumes.

Master Purushottam

l=10cm r=8cm

The total surface area of cone=πr(l+r)

=22/7×8(10+8)

=22/7×8(18)

=22/7×144

=3168/7cm

-Answered by Master Purushottam On 23 August 2019:11:37:53 PM

Question 2. Asked on :13 January 2019:11:37:50 AM

#### Find the volume of hemisphere whose radius is 32 cm.

-Added by Akki chauhan Mathematics » Surface Ares And Volumes.

Master Purushottam

r= 32

Volume of hemisphere= 23 πr3

= 23 ×22/7×3/2×3/2×3/2

= 7.071

-Answered by Master Purushottam On 23 August 2019:11:33:27 PM

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