Check the picture below.
you can pretty much count those lengths off the grid.
recall that A = 1/2 bh.
4 is what is knows as the factorial of 4.
4=4*3*2*1=24
Answer: 
Step-by-step explanation:
This is a multiplication problem. You are multiplying
by 4. This also means 4 divided by 3. They are both the same.
260 was its original prize.
Answer:
Step-by-step explanation:
area of a square is just L^2 or one of the sides squared
and the perimeter is 4L
that means
Area = 5.25^2
= 27.5625 in^2
Perimeter = 4 * 5.25
= 21 in