Posted by hi, help hard questions on Thursday, November 29, 2012 at 3:52pm.
Find the length of the hypotenuse of a right triangle with legs of 20 cm and 21 cm.
The length of the hypotenuse of a right triangle is 15 cm. The length of one leg is 9 cm. Find the length of the other leg.
If the sail of a ship is 10 feet long and has a diagonal length of 26 feet, what is the height of the sail in feet?
math - Steve, Thursday, November 29, 2012 at 3:55pm
all of these can be found using
a^2 + b^2 = c^2
where a and b are the legs, c the hypotenuse.
10^2 + b^2 = 26^2
b = 24
do the rest the same way, plugging two of the needed values.
if you get stuck, come on back and show how far you got.
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