b 9
c 9 times the square root of 5
d 45
Answer:
A
Step-by-step explanation:
Using the pythagorean theorem,
we plug the numbers in;
9+36=c^2
45=c^2
sqr root of 45 is
next find the positive perfect sqr root of 45 which will be 9.
9 goes into 45 5 times so it will be
Sqr root of 9 is 3 so it will be
Answer:
Area = 81; Side Length = 3
Step-by-step explanation:
The area of a square is the side lenght squared, and 9² is 81.
The side lengh can be found by taking the square root of the area. √9 = 3
Answer:
Step-by-step explanation:
9.9 + 7.5 + 6.4 = 23.8
7.5 * 6.4 = 48
48 / 2 = 24