Use the Pythagorean Theorem to determine if the three numbers could be the measures of the sides of a right triangle. Assume that the largest is the hypotenuse. 20, 6, 21 (Points : 1)
yes
no

Question

Use the Pythagorean Theorem to determine if the three numbers could be the measures of the sides of a right triangle. Assume that the largest is the hypotenuse. 20, 6, 21 (Points : 1)
      yes
      no

parthkohli · Answer

hmm... the pythagorean says:

$\Large \color{Black}{\Rightarrow c^2 = a^2 + b^2 }$

Here,

$\Large \color{Black}{\Rightarrow 21^2 \ne 6^2 + 20^2}$

$\Large \color{Black}{\Rightarrow 441 \ne 36 + 400 }$

$\Large \color{Black}{\Rightarrow 441 \ne 436 }$

These can't be the lengths of 3 sides in a right triangle

anonymous · Answer

Sometimes I wonder how one would find variance...