0001113.
Ine volumes of two spheres are in the ratio 125 : 27. Find the de
surface areas in terms of r. The sum of the radii of the spheres is 8 cm
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Answer:
area=25/9
Step-by-step explanation:
volume of 1st sphere/volume of 2nd sphere=125/27
4/3pi R1^3/4/3PI R2^3=125/27
R1^3/R^3=5^3/3^3=R1/R2=5/3
area of sphere 4pi R1^2/4PI R2^2=5/3
R1/R2=25/9
R1+R2=8. R1=5R2/3
5R2/3+R2=8=5R2+3R2/3=8
8R2/3=8= R2=3
R1=5×3/3=5
RADIEE OF THE SPHERES 5CM AND 3CM
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