7.
One way to figure this out is to go from 2-10, and multiply them by them self each other to see what number works.
Another way is to use a calculator and the square root button.
Hope that helps!
There are no numbers for this, thus you will have to use the quadratic formula.
Answer:
i think thats good but for me umm so good hehe
Answer:
It's surface area is 1257.14cm^2
Step-by-step explanation:
area=22/7×20cm×20cm
=3.14×20cm×20cm
=1257.14cm^2