You can use the Pythagorean theorem, a^2+b^2=c^2, to solve this.
b= square-root of (c^2)-(a^2)
b= square-root of (9^2)-(2^2)
b= 8.77.... which in the exact form is square root of 77.
Answer:
2.5
Step-by-step explanation:
C is the closet to the real answer and its a estimate so, C
Answer:
see below
Step-by-step explanation:
Draw a line with points on it from -10 to 10 going by 1
Put a dot at -5 for the -5 point
-(-5) is 5
Put a dot at 5