Answered

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The foot of a ladder is 2m away from a vertical wall. The height of the top of the ladder is half a meter less than the length of the ladder. Find the length of the ladder.

Thank you

Sagot :

apologiabiology
so use pythagorean theorem
a^2+b^2=c^2
a=base
b=height
c=legnth of ladder

a=2
b=c-0.5
subsitute
2^2+(c-0.5)^2=c^2
4+c^2-c+0.25=c^2
add like terms
c^2-c+4.25=c^2
subtract c^2 from both sides
-c+4.25=0
add c to both sides
4.25=c

the legnth of the ladder is 4.25 m

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