Rahul divides a circular disc of radius 7 cm in two equal parts. What is the perimeter of each semi-circular shaped disc?

32 cm

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

35 cm

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

36 cm

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

42 cm

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

Open in App

Solution

The correct option is C 36 cm
Circumference of semi circle = $π r + 2 r$
$= \frac{22}{7} \times 7 + 2 \times 7$
$= 22 c m + 14 c m = 36 c m$

Suggest Corrections

Similar questions

Q. Rahul divides a circular disc of radius 7 cm into two equal parts. What is the perimeter of each semi-circular disc?

Sudhanshu divides a circular disc of radius $7 c m$ in two equal parts. What is the perimeter of each semicircular shaped disc? (Use $π = \frac{22}{7})$

Puja decides to cut a circular disc into 4 equal parts. What is the perimeter of each part? (Given that the radius of the disc = 7cm, $π$ = $\frac{22}{7}$ )

Q. Puja decides to cut a circular disc into 4 equal parts. What is the perimeter of each part? (Given that the radius of the disc = 7cm,

π

\frac{22}{7}

)

Q. What is the perimeter of a semi-circular disc with radius 27 units?

Join BYJU'S Learning Program

Rahul divides a circular disc of radius 7 cm in two equal parts. What is the perimeter of each semi-circular shaped disc?

The correct option is C 36 cmCircumference of semi circle = πr+2r =227×7+2×7 =22 cm+14 cm=36 cm

The correct option is C 36 cm
Circumference of semi circle = $π r + 2 r$
$= \frac{22}{7} \times 7 + 2 \times 7$
$= 22 c m + 14 c m = 36 c m$