Use the zero x = 5, to help find the remaining zeros of x4 - 4x3 - 14x² + 36x + 45. Select one:
1 answer:
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The equation for the area of a circle is: 
. Insert 9 as your radius (r) into the equation and solve:
\pi 9^2 = 254.469
\pi 9^2 = 254.469
Answer:
C. 40π cm²
Explanation:
• The central angle of the sector = 225 degrees
,• The radius of the sector = 8cm
For a sector of radius r and central angle θ, we calculate the area using the formula below:
Substituting the given values, we have:
The area of the sector is 40π cm².