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04-03-2017
Mathematics

contestada

Find the radius of a cone with volume 45.19 cm^3 and height 7.5 cm.

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H1a2r3s4h5 H1a2r3s4h5

06-03-2017

Radius of cone is2.39cmor 2.4cm volume of cone=45.19cm^3 Pi×r^2×h/3=45.19 22×r^2×7.5/7=45.19×3 r^2=45.19×3×7/22×7.5 r^2=948.99/165 r^2=5.7514545 r=2.39 Or we can say r=2.4cm

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