Perimeter of Rectangle = 2W + 2L
20 = 2W + 2L = 4 sides
20/4 = 5
5' × 5'
In American English we'd use the word "amount" instead of "sum", and also we'd use the dollar symbol ($) instead of RS (rupees). Instead of "argues," use the word "agrees."
<span>A man borrowed a sum of money and agrees to pay $4820 at the end of the 2nd year and $4200 at the end of the 3rd year to clear the debt. Interest is compounded annually at 5% per annum .find the original amount borrowed.</span>
3018
Mentally,
503 = 500 + 3
500 times 6 = 3000
3 times 6 = 18
Add them up:
3018
Answer:
±
Step-by-step explanation:
We need to find 
.
Now, we know that 
and 
Therefore: 
±
Summarizing, the real square roots of 144 are ±
