Right-angled 25091

A thin plate in the shape of a right-angled triangle is turned once around the shorter hanger and a second time around the longer hanger. Cones are described by rotation. Are they the same volume? The dimensions are: shorter pendant 6cm, longer pendant 8cm.

Correct answer:

V1 =  301.5929 cm3
V2 =  402.1239 cm3

Step-by-step explanation:

a=6 cm b=8 cm  r1=a=6 cm h1=b=8 cm  V1=31 π r12 h1=31 3.1416 62 8=301.5929 cm3
r2=b=8 cm h2=a=6 cm  V2=31 π r22 h2=31 3.1416 82 6402.1239 cm3  V1 = V2

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