the best area of the cone is 38.5 CM square its volume is 77 cm find its height
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Hi ,
Let r and h are base radius and
height of the cone ,
Base Area = π r² = 38.5 cm²----( 1 )
Volume = ( 1/3) π r² h = 77 cm³ ---( 2 )
Do the division of ( 2) and ( 1 ),
[ ( 1/3 ) π r² h ] / [ π r² ] = 77/( 38.5 )
h/3 = 2
h = 6 cm
Therefore ,
Height of the cone = h = 6 cm
I hope this helps you.
:)
Let r and h are base radius and
height of the cone ,
Base Area = π r² = 38.5 cm²----( 1 )
Volume = ( 1/3) π r² h = 77 cm³ ---( 2 )
Do the division of ( 2) and ( 1 ),
[ ( 1/3 ) π r² h ] / [ π r² ] = 77/( 38.5 )
h/3 = 2
h = 6 cm
Therefore ,
Height of the cone = h = 6 cm
I hope this helps you.
:)
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