Math, asked by sudhanvalm8909, 11 months ago

A toy in the form of a cone mounted on a hemisphere of same radius 7 cm.if the total height of the toy is 31 cm,find the total surface area.

Answers

Answered by GoaDon18
3

Total Surface area of toy is 836cm^2

Attachments:

bilalanis: bro we have to find tsa of cone not csa
GoaDon18: But while calculating the surface area of the toy we dont need to add the base area of cone
GoaDon18: So to find the surface area of TOY..........I added C.S.A of cone and C.S.A. of hemisphere
bilalanis: ohhhhh sorry and thanks
GoaDon18: its okay Dear
Answered by bilalanis
0

Answer: tsa of cone is 2pie r(h+r)

2 multiply 22/7 multiply 7(31 +7).

Step-by-step explanation:

so ,31+7=38 multiply by 7=264 ....

2 multiply by 22/7 multiply by 264

so,7 is cut from 264 answer is 38....

then,2 multiply by 22 multiply by 38.

44 mutiply by 38 =1962cm2

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