Math, asked by mangeshkale1981, 5 months ago

find the radius and perimeter of a circle whose area is
77 cm²​

Answers

Answered by Anonymous
1

Answer:

441/2 RADIUS AND PERIMETER YOU FIND USING FORMULA

Step-by-step explanation:

Answered by harshitapaliwal48
3

Answer:

Step-by-step explanation:

area of circle = 77 cm^2

=πr^2 = 77

= (22/7) x r^2 = 77

= r^2 = (77 x 7) / 22

= r^2 = 49/2

= r = 7/√2 cm

perimeter = 2πr = 2 x 22/7 x 7/√2

= 22√2 cm

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