the radii of two circles are 77cm and 91 cm respectively how much longer is the circumference of the second circle than the first
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Answered by
32
circumference of 1st circle =2
r
2×22/7×77=484cm
circumference of 2nd circle= 2×22/7×91=572cm
572-484=88cm
the second circle's circum. is 88cm longer than the circ. of first circle.
2×22/7×77=484cm
circumference of 2nd circle= 2×22/7×91=572cm
572-484=88cm
the second circle's circum. is 88cm longer than the circ. of first circle.
Answered by
7
Answer:
D=2×77=154cm
Step-by-step explanation:
Diameter second =91×2 =182 cm,Circumference (first) =22÷7×154= 484,Circumference(second)22÷7×182 =572cm Difference=884-572=88cm
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