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A ladder is placed in such a way that its foot us ata diatance of 5 m from a wall and its top reaches a window 12 m above the ground , determine the length of the ladder.

Posted by Rudra Chetariya 4 years, 10 months ago

CBSE > Class 07 > Mathematics

1 answers

Yogita Ingle 4 years, 10 months ago

We have,

Let the length of ladder=x m

Now, distance between foot of ladder and wall=5m

Height of the window from to ground=12m

∴ By using the hypotenuse theorem

∴x²=(12)²+(5)²

x=√144+25

x=√169

x=13

Length of the ladder is 3m

0Thank You

ANSWER

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CBSE > Class 07 > Mathematics