Solve.A triangular lake-front lot has a perimeter of 1800 feet. The second side is 400 feet longer than the first side, while the third side is 500 feet longer than the first side. Find the lengths of all three sides.
A. First: 100 ft; second: 200 ft; third: 300 ft
B. First: 400 ft; second: 800 ft; third: 900 ft
C. First: 400 ft; second: 400 ft; third: 400 ft
D. First: 300 ft; second: 700 ft; third: 800 ft
Answer: D
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In a right triangle, each side adjacent to the right angle is called a 
.
A. leg B. quadratic equation C. hypotenuse D. triangle
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+ 
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