CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Use of Algebraic Expressions in Formula of Area of Figures

A rectangle i...

Question

A rectangle is 3p cm long and 2p cm wide. Find the perimeter of the rectangle when p = 12.

A

102 cm

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

B

120 cm

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

C

210 cm

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

D

10p cm

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

Open in App

Solution

The correct option is B 120 cm
Perimeter = 2(l + b)
= 2(3p + 2p)
= 2 (5p) = 10p cm
$∴$ Perimeter when p = 12 cm is 10(12) = 120 cm.

Suggest Corrections

thumbs-up

0

Similar questions

Q. If the diagonal of a rectangle is 17 cm long and its perimeter is 46 cm, the area of the rectangle is

(a) 100 cm²
(b) 110 cm²
(c) 120 cm²
(d) 150 cm²

Q. The area of a rectangle is 192 cm² and its perimeter is 56 cm. Find the dimensions of rectangle.

Q. A rectangle is 3p cm long and 2p cm wide. Find the perimeter of the rectangle when p = 12.

Q. A rectangle is 10 cm long and 5 cm wide. What is the perimeter of the rectangle?

Q. A rectangle is

8

5

cm wide. Its perimeter is doubled when each of its sides is increased by x cm. Find the new length of the rectangle.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Formation of Algebraic Expressions

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Use of Algebraic Expressions in Formula of Area of Figures

Standard VI Mathematics

Join BYJU'S Learning Program

CrossIcon