Advertisements
Advertisements
Question
A square board has an area of 144 square units. How long is each side of the board?
Options
11 units
12 units
13 units
14 units
Solution
12 units
Explanation:
Given, area of square board = 144 sq units
∴ (Side)2 = 144 ...[∵ Area of square = (side)2]
⇒ (Side)2 = (12)2
⇒ Side = 12 units
Hence, the length of each side of the board is 12 units.
APPEARS IN
RELATED QUESTIONS
Find the square root of the following number by the prime factorisation method.
4096
Find the square root of the following number by the prime factorisation method.
5929
For the following number, find the smallest whole number by which it should be multiplied so as to get a perfect square number. Also find the square root of the square number so obtained.
768
For the following number, find the smallest whole number by which it should be divided so as to get a perfect square number. Also find the square root of the square number so obtained.
252
Find the smallest number by which 147 must be multiplied so that it becomes a perfect square. Also, find the square root of the number so obtained.
A PT teacher wants to arrange maximum possible number of 6000 students in a field such that the number of rows is equal to the number of columns. Find the number of rows if 71 were left out after arrangement.
Find the smallest perfect square divisible by 3, 4, 5 and 6.
Examine if the following is a perfect square
190
Using prime factorisation, find which of the following are perfect squares.
11250
Using prime factorisation, find the square roots of 4761