Question

REVIEW EXERCISE 1. Complete the following. (a) If 12 x 12 = 144, then V144​

Answer 1

Answer:

So, we have to find the missing number …so,let’s take that missing number be x …now 12*x=144

x=144/12=12

hence ,our answer is 12.

and we can simply made this as we know that 144 is the square of 12 ..so missing number will be 12.

144 = a × a = 122

Then a = √144 = √(12 × 12)

12 × 12 = 144 or -12 × -12 = 144

The square root of 144 is +12 or -12

This shows that 144 is a perfect