Is a triangle whose side measure 12 ft, 16 ft and 20 ft a right triangle?
1 answer:
Answer:
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
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Answer:
5 years
Step-by-step explanation:
(x+15)=4x
15=4x-x
15=3x
5=x
P=r-c
p-r= r-r-c
p-r=-c
(p-r=-c) ^{-1}
-p+r=c
