Step-by-step explanation:
[tex] {ac}^{2} = {ab}^{2} + {bc}^{2} (pythagoras \: theorem)[/tex]
[tex] {17}^{2} = {15}^{2} + {bc}^{2} [/tex]
[tex]289 = 225 + {bc}^{2} [/tex]
[tex] 289 - 225 = {bc}^{2} [/tex]
[tex] \sqrt{64 } = bc[/tex]
[tex]8 = bc[/tex]
Hence, distance of the foot of the ladder from the building=8m
Given : A ladder 17m long, reaches a window of a building 15m above the ground.
To Find : The distance of the foot of the ladder from the building ?
Solution : Let AC be the ladder and A be the position of the window.
[tex]~[/tex]
[tex]{\sf{\frak{\underline{As~we~know~that~:}}}}[/tex]
[tex]{\sf:\implies{\underline{Pythagoras~Theorem}}}[/tex]
[tex]{\bf{\underline{According~to~the~question~:}}}[/tex]
[tex]{\sf:\implies{BC^2~=~(17m)^2~+~(15m)^2}}[/tex]
[tex]{\sf:\implies{BC^2~=~289~-~225}}[/tex]
[tex]{\sf:\implies{BC^2~=~64m^2}}[/tex]
[tex]:\implies\boxed{\frak{\underline{\pmb{\pink{BC~=~8cm}}}}}[/tex]★
Hence,
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Answers & Comments
Step-by-step explanation:
[tex] {ac}^{2} = {ab}^{2} + {bc}^{2} (pythagoras \: theorem)[/tex]
[tex] {17}^{2} = {15}^{2} + {bc}^{2} [/tex]
[tex]289 = 225 + {bc}^{2} [/tex]
[tex] 289 - 225 = {bc}^{2} [/tex]
[tex] \sqrt{64 } = bc[/tex]
[tex]8 = bc[/tex]
Hence, distance of the foot of the ladder from the building=8m
Verified answer
Given : A ladder 17m long, reaches a window of a building 15m above the ground.
To Find : The distance of the foot of the ladder from the building ?
______________
Solution : Let AC be the ladder and A be the position of the window.
[tex]~[/tex]
[tex]~[/tex]
[tex]{\sf{\frak{\underline{As~we~know~that~:}}}}[/tex]
[tex]{\sf:\implies{\underline{Pythagoras~Theorem}}}[/tex]
[tex]~[/tex]
[tex]{\bf{\underline{According~to~the~question~:}}}[/tex]
[tex]~[/tex]
[tex]{\sf:\implies{BC^2~=~(17m)^2~+~(15m)^2}}[/tex]
[tex]{\sf:\implies{BC^2~=~289~-~225}}[/tex]
[tex]{\sf:\implies{BC^2~=~64m^2}}[/tex]
[tex]:\implies\boxed{\frak{\underline{\pmb{\pink{BC~=~8cm}}}}}[/tex]★
[tex]~[/tex]
Hence,