1.

If the volume and the surface area are numerically same then find its radius.

Answer»

Answer:

Step-by-step EXPLANATION:

VOLUME= SURFACE area

4*22*r*r*r/7*3=4*22*r*r/7

(4/3*4)r³=r² (after pie cancelled)

(1/3)r³ = r²

r³= 3r²

(r/r)(3-2)=3

r = 3

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