Question

A circle has a circumference of 15.7 in. What is the diameter?

Answer 1

Answer:5 inches (approx)

Step-by-step explanation:

2πr=15.7 in

To find the diameter

2r=15.7/π=4.997 inches=5 inches(approx)

Answer 2

✌️ Hey mate ✌️

Here's the answer :

$\red{d = 0.49}$

Step-by-step explanation:

$c = 1.57 \: m \\ c = 2 \: \pi \: r \\ = > 1.57 = 2 \times \frac{22}{7} \times r \\ 1.57 = \frac{44 \: r}{7} \\ \frac{1.57 \times 7}{44} = r \\ \\ r = 0.249772727 \\ = > r = 0.245 \\ d = 2 \: r \\ d = 2 \times 0.245 \\ = > d = 0.49$

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