Posted by BOB on Tuesday, July 13, 2010 at 9:36am.
The width of a rectangle is 6 feet, and the diagonal is 10 feet. What is the area of the rectangle?

geometry  BOB, Tuesday, July 13, 2010 at 10:22am
Which of the following are measurements of the sides of a right triangle?
________________________________________
A. 3, 4, 5
B. 28, 26, 12
C. 17, 14, 6
D. all of the above

geometry  PsyDAG, Tuesday, July 13, 2010 at 11:04am
Use the Pythagorean theorem (a^2 + b^2 = c^2), where c = hypotenuse.
6^2 + x^2 = 10^2
Once you find x, multiply by 6 to get area.
Check out your answers for the second post using the same theorem.
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