A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 20 is about 4.472. Thus, the square root of 20 is not an integer, and therefore 20 is not a square number.
Answer:
if it's 2/3r^4 heres the answer
Step-by-step explanation:
1.) 2/3 times r raised to the 4th power
2.) the product of 2/3 and r raised to the 4th power
3.) 2/3 multiplied by r raised to the 4th power
4.) 2/3 of r raised to the 4th power
you can pick one of the many choices I've listed!! youre welcome :)
Answer:
38.5
Step-by-step explanation:
Step-by-step explanation:
Perimeter: all the sides added together, so that would be 1/2+1/2+3/4+3/4, which is 2 and a half feet
Area: the two side lengths multiplied, so 1/2*3/4, which is 3/8 feet squared
