Answer:
A = 144 cm²
Step-by-step explanation:
Let the side of the square be x. Using Pythagoras theorem for square,
The area of the square is given by :
A = side²
Put values in the formula.
A = 12²
A = 144 cm²
So, the area of the square is equal 144 cm².
It is useful because there are some numbers that are either way too small or way too big to write out in standard form.And I don’t know the second part.Hope that helps!!
1, 2, 4, 5, 10 & 20
The greatest common factor is 20.
18 would have to be the mean because of the average
