Question

A ladder is placed in such a way that its foot is at a distance of 8 m from a wall and its tip reaches a window 15 m above the ground. Determine the length of the ladder. ​

Answer 1

Here,

• Base = 8 m
• Perpendicular = 15 m

Then,

• Hypotenuse (Length of ladder)

$\tt = > \sqrt{ {(base)}^{2} + {(perpendicular)}^{2} } \\ \\ = > \sqrt{ {(8)}^{2} + {(15)}^{2} } \\ \\ = > \sqrt{64 + 225} \\ \\ = > \sqrt{289} \: \: \bf \: = 17 \: \: m$