Answer:
Circumference = 2 * radius * 3.14
82.14 = 2*3.14 r
r= 82.14/6.28=13.079 cm.
So the area = 3.14 r^2
3.14*13.079^2
537.129 cm ^2
Hope this helps :)
Step-by-step explanation:
Answer
The zero or roots would be x= -6
Step-by-step explanation:
See attachment for math work and answer.
Just find the vertex and then compare with graph
#a
Parabola opening upwards
Graph 3
#2
Vertex at (-3,0)
Graph IV
#3
Parabola opening downwards as a is -ve
Graph I
#4
One graph is left