The perimeter of a square is 80 units. Find its perimeter when the length of its side is doubled.

160 units

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

80 units

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

40 units

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

100 units

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

Open in App

Solution

The correct option is A
160 units

Perimeter of a square of side a units = 4a units

Given that 4a = 80

$⟹ a = 20$

Given that side is doubled,

$\Rightarrow 2 a = 2 \times 20 = 40 u n i t s$

New perimeter = $4 \times 2 a = 4 \times 40 = 160$ units.

Suggest Corrections

Similar questions

The perimeter of a square is 60 cm. Find its side-length.

4

Perimeter of a square plot with side 2x is 40 units. Find the length of its side.

Join BYJU'S Learning Program