How long is the arc intercepted by two pi over 3 rad central angle in a circle with radius 7 feet
1 answer:
Answer:
4.67 ft
Step-by-step explanation:
An arc is simply a portion of the circumference of a circle.
To find the length of an arc, we simply need to apply the formula:
where α = angle subtended by the arc = rads =
degrees = 38.2°
r = radius of the circle = 7 ft
Hence, the length of the arc is:
The length of the arc is 4.67 ft
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x =
This means that:
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Substitute with I in II to eliminate the t as follows:
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y = 24x³ - 1
Explanation:
We have:
x =
This means that:
t = 2x ...............> I
We are also given that:
y = 3t³ - 1 .............> II
Substitute with I in II to eliminate the t as follows:
y = 3t³ - 1
y = 3*(2x)³ - 1
y = 3*8x³ - 1
y = 24x³ - 1
Hope this helps :)
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