ExamCompetition Forum Question Papers Ask A Question Mock Test Learn & Earn Sign Up Login Menu



0 vote

The area of a square is 30.25 cm². Find its perimeter (in cm).

Asked on by | Votes 0 | Views: 246 | Tags: mensuration     | quantitative aptitude     | Add Bounty

The area of a square is 30.25 cm². Find its perimeter (in cm).
1). 44
2). 23
3). 22
4). 46


Share on Facebook      Share on Whatsapp       Share on Twitter




1 answers

0 vote
Answered by on | Votes 0 |

We know, area of a square = a2

⇒ a2 = 30.25

⇒ a = 5.5

∴ Perimeter of a square = 4a = 4 × 5.5 = 22

Join Telegram Group




Answer This Question

Name:
Email:
Answer :
Sum of (4+3)
Submit:

Other Questions

1. A brick 2" thick is placed against a wheel to act for a stop. The horizontal distance of the face of the brick from the point where the wheel touches the ground is 6". The radius of the wheel in inches is

2. The perimeters of two similar triangles are 30 cm and 20 cm respectively. If one side of the first triangle is 9 cm . Determine the corresponding side of the second triangle.

3. The circumference of a circle is equal to the perimeter of an equilateral Δ. If the radius of the circle is 14 cm what is the length of the side of the equilateral Δ?

4. Conical cavity is drilled in a circular cylinder of height 15 cm and base radius 8 cm. The height and base of the radius of the cone are also same. Find the whole surface area of remaining solid?

5. The radius and the height of a cone are each increased by 20%. Then the volume of the cone increases by

6. The number of spherical bullets that can be made out of a solid cube of lead whose edge measures 44 cm, each bullet being of 4 cm diameter, is (take π=22/7)

7. A solid spherical copper ball, whose diameter is 14 cm, is melted and converted into a wire having diameter equal to 14 cm. The length of the wire is

8. The area of an equilateral triangle is 9√3 sq cm, find its perimeter?

9. If the area of a triangle is 1176 sq.cm. and base : corresponding altitude is 3:4, then the altitude of the triangle is :

10. If the lengths of the sides AB, BC and CA of a triangle ABC are 10 cm, 8 cm and 6 cm respectively and if M is the mid - point of BC and $MN\parallel AB$ to cut AC at N, then the area of the trapezi. um ABMN is equal to