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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
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\[H= \sqrt{(20)^2+(21)^2}\]
|dw:1352146014111:dw|
|dw:1352138840805:dw|\[c^2=a^2+b^2\]
so i have to find out what H is?
yes
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\[H= \sqrt{(20^2)+(21^2)}\]
20 * 20 = 400 21 * 21 = 441 add those 400 + 441 then take the sqrt and that's the missing angle
841cm
\[\sqrt{841cm}\] sqrt it and the answer is?
so then 29cm
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