Answer:
Its definitely B 84.5
I took the test
Step-by-step explanation:
Answer:
3 1/10 or 31/10
Step-by-step explanation:
The on is in the tenths place making the fraction out of ten.
Answer:
2.75cm
Step-by-step explanation:
Given data
Area of circle= 23.79cm^2
We know that the formula for the area of a circle is
Area= πr^2
Substitute
23.79=3.142*r^2
23.79/3.142= r^2
7.57=r^2
Square roo both sides
r= √7.57
r= 2.75 cm
Hence the radius is 2.75cm