why is in the form of a rectangular 18.7 cm long and 14.3 CM if the wire is reshaped and when into the form of circle find the radius and the area of the circle so formed the area on the value of pi pi is 22/7
Answers
Answered by
0
Answer:
Step-by-step explanation:
Area of rectangle = length ^breadth
= 18.7cm^14.3cm
= 267.41cm sq.
As the wire does not change the area enclosesd will be the same.
Hence,
Area of circle =267.41 cm sq.
πr2. = 267.41 cm sq.
22/7^r2. = 267.41 cm sq.
r2. = 267.41 ^7/22 cm sq
r2 = 85.085
r = √85.085
Similar questions