202 + 42 =216=hypotenuse squared= 4(square root (26))
actually you are wrongIt is rather simple really 20*20 which equals 400 and 400 + 4*4 which is 16 will equal 416 and then you square root 416 and get 20.396
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Use Pythagoras' theorem:- 42+52 = 41 and the square root of this is the length of the hypotenuse.
If you have the shorter legs length, then for the hypotenuse, just multiply the shorter leg by 2. For the longer leg, multiply the shorter leg by the square root of 3.
\32 or 4\2
The formula to find the hypotenuse of a right triangle is a2+b2=c2. c being the hypotenuse, a and b being the legs. So, 42+32=c2. 16+9=c2. 25=c2. c=5. The hypotenuse is 5.
Using the Pythagorean Theorem, a2 +b2=c2 where c is the hypotenuse. So if we say that the legs are equal to 4 cm and 5 cm respectively we can rewrite the equation 42+52=c2 -> 16+25=41=c2 so then, c= the square root of 41, which is an irrational number.