1. A housepainter needs to estimate the height of a condominium. He estimates the length of his
shadow to be 7 feet long and the length of the building's shadow to be 42 feet long. Find the approximate height of the building if the housepainter is 5 1/2 feet tall.
2. design company is making a triangular sail for a model sailboat. The model sail is to be the same shape as a life-size sailboat's sail. Use the following diagram to find the unknown lengths x and y.

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26 ft 24 ft 2 in. 10 t