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4. length of ladder = 17
height of wall = 15
far between ladders foot and wall s foot = x
17^2 = x^2 + 15^2
289 =x^2 + 225
289-225 = x^2
64 = x^2
8 = x
answer is 8 m
_____
5.length went to west =20 m
" " " north =15 m
how far from place start =x
x^2 = 20^2 + 15^2
x^2 = 400+225
x^2 =625
x = 25 m
answer is 25 m
hope it helps u ..
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height of wall = 15
far between ladders foot and wall s foot = x
17^2 = x^2 + 15^2
289 =x^2 + 225
289-225 = x^2
64 = x^2
8 = x
answer is 8 m
_____
5.length went to west =20 m
" " " north =15 m
how far from place start =x
x^2 = 20^2 + 15^2
x^2 = 400+225
x^2 =625
x = 25 m
answer is 25 m
hope it helps u ..
follow me and if u like my answer pls mark me as brainlist
please ans my other questions also
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