Question

a triangle has one side which is 1 foot long and another side which is 2 feet long. write a value that could be the length of the third side in feet

Answer 1

The Square Root of 5

Explanation:

If side a = 1

and side b = 2

According to Pythagorean Theorem, a^2+b^2=c^2, the answer would be:

1^2+2^2=c^2

1+4=c^2

5=c^2

c=the square root of 5