The sum of the radii of two circle is 140 cm and the different of their circumference is 88 cm. Find the diameters of the circles

Question

Ravi · Answer

r 1 +r 2 =140 ...(1) 2.pi.(r 1 -r 2 )=88 r 1 -r 2 = (88.7)/(2.22)=28 r 1 -r 2 =28 ...(2) Use equation 1 and 2 to solve for r1 and r2. Find D 1 =2r 1 and D 2 =2r 2

divya · Answer

diameters are 126 and 154 resp.

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The sum of the radii of two circle is 140 cm and the different of their circumference is 88 cm. Find the diameters of the circles

The sum of the radii of two circle is 140 cm and the different of their circumference is 88 cm. Find the diameters of the circles

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