Circumference of a Circle,C=2πr
π=3.14
r= of the circle
Area of the circle= πr²
We know that
Area= 49 π²
πr²=49
r²=49/π
=49/3.14
=15.60
r= √15.60
=3.9 units
Circumference of a Circle,C=2πr
=2*3.14*3.9
=24.492 units
Answer:
12
Step-by-step explanation:
Answer:
2x^2x(x^+3x-2)
Step-by-step explanation:
The answer is B its quite easy if you look at it