Answer:
The answer is <u>80</u>
Step-by-step explanation:
78.74 is closer to 80 than it is to 70.
30s-18 is the answer jus add all the sides together/ add the like terms then solve it
Area of a circle is pi x r ^2
R = diameter/2
R = 1.8/2 = 0.9
Area = 3.142 x 0.9^2
Area = 2.5 square cm.
Answer: X=1
Step-by-step explanation:
Please see picture for steps