a tree casts a shadow that is 20 ft long. the angle of elevation of the sun is 29°. how tall is the tree?
1 answer:
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Answer:
Step-by-step explanation:
Every inscribed right triangle has its hypotenuse as the same size of the Diameter. Assuming that, this is the case check the picture below.
So the hypotenuse= D=2R=12
- Shaded Area = Area of the Circle- Area of the Triangle
- Area of Circle:
- Area of the Triangle:
Finding the Triangle base via the Pythagorean Theorem
Now plugging in the base of the triangle on that formula:
Finally,
Shaded Area =
