If the heights of two circular cylinder are in the ratio 2 : 3 and their volumes?

Assessment: JAMB UTME - Mathematics - 1990 Subject: General Mathematics

Question 1 Report

If the heights of two circular cylinder are in the ratio 2 : 3 and their volumes?

Answer Details

h 1 h 2  =  2 3
h2 =  2 h 1 3
r 1 r 2  =  9 8
r2 =  9 r 1 8
v1 =  π ( 9 r 1 8 )2( 2 h 1 3 )
=  π r1 2h1 x  27 32
v =  π r 1 2 h 1 × 27 32 π r 1 2 h 1  =  27 32
v2 : v1 = 27 : 32

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