The flagpole at school casts a shadow that is 18 feet long. A student nearby is 5.5 feet tall and casts a shadow that is 3 feet
1 answer:
You might be interested in
Answer:
The distance travelled by the kite is 122.8 ft ( approx )
Step-by-step explanation:
Here, the given function,
Differentiating with respect to x,
∵ arc length of a curve is,
Where, y shows the height of the curve for a ≤ x ≤ b,
Thus, the arc length of the given curve is,
Put
By integration by parts,
If x = 80,
Thus, the length of the curve is,