If the perimeter of a semicircle is 18 cm. what will be its diameter?

9

No worries! We‘ve got your back. Try BYJU‘S free classes today!

28

No worries! We‘ve got your back. Try BYJU‘S free classes today!

14

No worries! We‘ve got your back. Try BYJU‘S free classes today!

7

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is C $7$ cm
$G i v e n π r + 2 r = 18$ $\Rightarrow$ $r = \frac{18}{\frac{22}{7} + 2}$
$\Rightarrow r = \frac{18 \times 7}{36} = 3.5 c m$
$\Rightarrow D i a m e t e r = 3.5 c m$

Suggest Corrections

Similar questions

Rhombus has a perimeter of 28 cm, then what will be the length of its side?

ABC is an isosceles ∆ with /ABC = 90^o. A semicircle is drawn with AC as diameter. If AB = BC = 7 cm, find the area of the shaded region.

If the surface area of a sphere is 616 cm² its diameter is

If the rhombus has a perimeter of 28 cm then the length of its side is:

Join BYJU'S Learning Program