Each interior angle of a regular polygon measures 90. How many sides does the polygon have?
1 answer:
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Answer:
The tower is approximately 381 feet high.
Step-by-step explanation:
Refer to the sketch attached. The height of the tower can be found in two parts:
- The part above the window, and
- The part under the window.
Each part can be seen as a leg of a right triangle. The other leg is the distance between the building and the tower and is 300-feet long. The angle opposite to the leg is given.
- The length of the upper part is
feet.
- The length of the lower part is
.
The height of the tower is the sum of the two parts:
feet.
