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September 21, 2014

September 21, 2014

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.

41 cm

841 cm

6 cm

29 cm

6.

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.

6 cm

12 cm

17 cm

144 cm

7.

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?

29

24

17

8

- math -
**Steve**, Thursday, November 29, 2012 at 3:55pmall of these can be found using

a^2 + b^2 = c^2

where a and b are the legs, c the hypotenuse.

#7:

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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