Question

A piece of wire in the form of a rectangle having length 5.6 cm and width 4.9 cm is reshaped and bent into the form of a circle. Find out the radius of the circle in m.

Answer 1

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cm

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r=

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r=

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 2

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 ×

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 22

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227 ⇒r=

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227 ⇒r= 2

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227 ⇒r= 221

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227 ⇒r= 221

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227 ⇒r= 221

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227 ⇒r= 221 ∴r=10.5 cm

Perimeter of rectangle=(18.7+14.3)×2=33×2=66 cmCircumference of circle= perimeter of rectangle⇒2πr=66⇒r= 2π66 ⇒r= 266 × 227 ⇒r= 221 ∴r=10.5 cmSo, radius of circle =10.5 cm

ⒽⓄⓅⒺ ⓉⒽⒾⓈ ⒽⒺⓁⓅⓈ ⓎⓄⓊ ✨

Answer 2

Answer:

Perimeter of Rectangle: 2(l+b)

ie 2(5.6+4.9)

= 21cm

=0.21m

circumference of circle=2πr

2πr=0.21

r=0.21/2π

r=0.33m