3 years ago

The radius of a circle in cm ,with area 77 over 2 cm square is

Mathematics

1 answer:

Andrej [43]3 years ago

3 0

Answer:

7/√2 cm

Step-by-step explanation:

Area of circle = 77 cm^2

=> π(r)^2 = 77

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

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

=> (r)^2 = 49/2

=> (r) = 7/√2 cm

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The radius of a circle in cm ,with area 77 over 2 cm square is​

The radius of a circle in cm ,with area 77 over 2 cm square is