Question

The area of a circle is 154 cm. Its diameter is.
(a) 14 cm
(b) 11 cm
(c) 7 cm
(d) 22 cm
is​

Answer 1

Answer:

• diameter = 14 cm

Step-by-step explanation:

area of circle = πr^2

area of circle = 22 / 7 = r^2

now , r^2 = 154 × 7 / 22

r^2 = 49

r = 7 cm

now , diameter = 2 × r = 2 × 7 = 14 cm

Answer 2

Answer:

area=πr^2

154. =22/7 ×r^2

154×7/22=r^2

49 = r^2

r =√49

r= 7 cm

diameter=7×2=14cm

Step-by-step explanation:

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