Find the equation of the axis of symmetry of the following parabola algebraically: y=-5x²+20x
1 answer:
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Answer:
19.48 m
Step-by-step explanation:
The formula that is used to find arc length is:
arc length = 2πr
In this question, r = 9m and the angle (θ) = 124°. Substitute the values into the formula.
arc length = 2 × π × 9 ×
= 2 × π × 9 × 0.3444
= 19.48 m