Question

the ratio of the radius of two circles whose area is 154 cm square

Answer 1

Answer:

please write complete answer

Answer 2

Answer:

answer is 7cm

Step-by-step explanation:

$\pi {r}^{2} = 154 \\ \frac{22}{7} \times {r}^{2} = 154 \\ {r}^{2} = 154 \times \frac{7}{22} \\ {r}^{2} = 49 \\ {r}^{2} = \sqrt{49} \\ r = 49$