find the surface area of a sphere of diameter 21cm ,3.5cm
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Answered by
1
A=4 pie r square
d=2r
therefore...
A=4 pie d square
=21 pie square
=1385 cm square
d=2r
therefore...
A=4 pie d square
=21 pie square
=1385 cm square
Anonymous:
why my ans is reported????any mistake
no i am the beginner i dont no sry sry sry
u will not tell ur age
atleast std
thk u
bye bye
I'm from class 9
no no i will tell i am from class 11
hai
hi
Answered by
6
The surface area of the sphere Is
Given,
Diameter= 21cm
Therefore,
Radius = 3.5cm
We know,
4*π (r*r)
Where,
π = 22/7
4*22/7*3.5*3.5
4*22*0.5*3.5
154 cm Cube
Given,
Diameter= 21cm
Therefore,
Radius = 3.5cm
We know,
4*π (r*r)
Where,
π = 22/7
4*22/7*3.5*3.5
4*22*0.5*3.5
154 cm Cube
wrg answer
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