Answer:
8 pi
Step-by-step explanation:
When radius is
L = r * Θ = 2 * π/4 = 1.57079633 cm.
When radius is
L = r * Θ = 10 * π/4 = 7.85398163 cm.
Answer:
25π
Step-by-step explanation:
pi's symbol is π, which will be used sometimes to make it easier later
The circumference is equal to diameter multiplied by pi. (Diameter is the length across the circle, radius the center of the circle to an edge point aka. half the diameter, and circumference is the edge length aka. perimeter of the circle.)
We can then remove the pi off the 10, as the diameter multiplied by pi is the circumference, so the diameter is 10.
Half of 10 is 5, the radius.
The formula for area of a circle is radius squared times pi, remember easily by π r ^2
We can plug in the radius into the formula to get
π 5 ^2
And finish it by solving the square root to get
π 25
25π
Answer:
There are infinitely many solutions to the system because the equations represent the same line
It is 3. That's the correct answer
Answer:
Y=-4x+8
Step-by-step explanation:
y2-y1/x2-x1
This wil give you slope.
