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Question Number 218385 by Spillover last updated on 08/Apr/25

Answered by Nicholas666 last updated on 09/Apr/25

ratio=((3.2)/(2.5))=6/10=3/5=0.6

ratio=3.22.5=6/10=3/5=0.6

Answered by Spillover last updated on 09/Apr/25

Answered by mr W last updated on 10/Apr/25

R=radius of big circle 2R=r+(√2)×2r+r ⇒R=(1+(√2))r A_(green) =(2r)^2 −4×((πr^2 )/4)=(4−π)r^2 A_(pink) =πR^2 −A_(green) =(1+(√2))^2 πr^2 −(4−π)r^2 =[(4+2(√2))π−4]r^2 ((pink)/(green))=(((4+2(√2))π−4)/(4−π))≈20.331

R=radiusofbigcircle2R=r+2×2r+r⇒R=(1+2)rAgreen=(2r)2−4×πr24=(4−π)r2Apink=πR2−Agreen=(1+2)2πr2−(4−π)r2=[(4+22)π−4]r2pinkgreen=(4+22)π−44−π≈20.331

Commented by Spillover last updated on 10/Apr/25

thank you

thankyou

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