If a 20-foot tree casts a 40-foot shadow, how tall is a tree that casts a 48-foot shadow?
1 answer:
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Answer:
Step-by-step explanation:
Shown is one-fourth of a circle. Also, according to the picture, the radius is 28 meters.
The area for a whole circle is .
Using that information, we can find the area as if the circle was whole instead of just the fourth.
Now that we know the area of the whole circle, we just have to divide it by four to find the area of the fourth of the circle.
That means that the area of the shape shown is .
I hope this helps!
Start by decomposing the number inside the root into primes
Then group the terms into cubes if possible
rewrite the root
then cancel the terms that are cubes and bring them out of the root
Answer:
Step-by-step explanation:
using the formula below, the central angle is 20° (bc 360-180-160=20)
radius is 14 (28/2=14)
