Asked by trent
The height of the red cone hr= 4cm. The height of the blue cone is hb= 8cm.
If the surface area of the red cone is 115cm2 , what is the surface area of the blue cone in cm2?
If the surface area of the red cone is 115cm2 , what is the surface area of the blue cone in cm2?
Answers
Answered by
Steve
The radius of the red cone is 3.876
If the radius of the blue cone is the same, then its surface is 155.420
If, however, the cones are similar, then since h is twice as big, the surface area will be 4 times as big: 460
If the radius of the blue cone is the same, then its surface is 155.420
If, however, the cones are similar, then since h is twice as big, the surface area will be 4 times as big: 460
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