Is a triangle whose side measure 12 ft, 16 ft and 20 ft a right triangle?

This is a Right Triangle

Step-by-step explanation:

12=a 16=b 20=c

Now lets solve

a^2+b^2=c^2

144+b^2=c^2

144+256=c^2

144+256=400

c^2=400

The square root of 400 is 20..

This IS a Right Triangle

your answer is the frist one

hop i

the answer is a.

step-by-step explanation:

in three games of golf, alex shot two under par four times.