Question

A bangle when staightened has length 15.7 cm. Find the diameter of bangle. (Use $\pi$ = 3.14)

• A. 3.5 cm
• B. 4 cm
• C. 4.5 cm
• D. 5 cm

Answer 1

The correct option is D 5 cm

We know a bangle is circular in shape.
Hence , according to condition
Circumference = 15.7 cm
Circumference = $\pi$$\times$diameter
15.7 = 3.14$\times$diameter
Diameter = $\frac{15.7}{3.14}$ = 5 cm.