First answer the questions in the description then, create a separate doc to answer the attachment

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Write a real-life problem that you can solve using a 45 degree, -45 degree, -90 degree triangle with an 18-ft hypotenuse. Describe your solution.
The hypotenuse of a 30 degree, -60 degree, -90 degree triangle is 24.2-ft. Explain how to find the lengths of the legs of the triangle.
A 12-ft long ladder is leadning against a wall and makes an 80 degree angle with the ground. How high up the wall does the ladder reach, and how far is the base of the ladder from the base of the wall? Round to the nearest inch.
Two buildings stand 90ft apart at their closest points. At those points, the angle of depression from the top of the taller building to the top of the shorter building is 12 degrees. How much taller is the taller building? Round your answer to the nearest foot.