501 Geometry Questions

a^2 + b^2 = c^2

32 + 4^2 = c^2

9 + 16 = c^2

25 = c^2

Take the square root of each side:

 25 = c^2

5 = c

Example 2: Find KL.

a^2 + b^2 = c^2

a^2 + 1^2 = ( 2 )^2

a^2 + 1 = 2

a^2 = 1

Take the square root of each side:

a^2 =  1 

a =? L

M

K

b = 1

c = 2