A ladder of length 6 meters is leaning against a wall. The angle made by ladder with ground is 30°. Find the distance between foot of ladder and foot of wall.
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hey dear friends.......
ur answer is in this pic.. ^_~
Use value of sec60 and Answer is 7.242 m
hope its help uh
ur answer is in this pic.. ^_~
Use value of sec60 and Answer is 7.242 m
hope its help uh
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zen900:
wrong
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Sin30=perp/hypotenuse
=>sin30=x/6
=>1/2=x/6
=>x=3 cm.
So height of wall is 3 cm.
Now tan30= perp / base
=> 1/root3=3/y
Where say y is the base/dist between foot of ladder and wall
=>y=3/root3
=>y=root3
Y=1.732 cm
So req. Distance is 1.732 cm. (ans)
=>sin30=x/6
=>1/2=x/6
=>x=3 cm.
So height of wall is 3 cm.
Now tan30= perp / base
=> 1/root3=3/y
Where say y is the base/dist between foot of ladder and wall
=>y=3/root3
=>y=root3
Y=1.732 cm
So req. Distance is 1.732 cm. (ans)
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