Question

Two circles touch each other internally. The sum of their areas is 149 pi centimetre square and the distance between the centres is 17 cm find the radii of the circles

Answer 1

Answer:

π(r1)² + π(r2)² = 149π

(r1)² + (r2)² = 149

Now, since circles touch each other internally ,

(r1-r2) = 17

squaring both sides

(r1)²+(r2)² -2r1r2 = 289

Question me kuch gadbad hai Bhai , negative aa rahe hai . check karna .

extreNally hota tab (r1+r2) = 17 ho jata , fir solve Kar sakte the .

kar Lena ab .