Question

A window is 12m high from the ground and a ladders foot is 5m away from the wall.Find the ladders length

Answer 1

Answer:

13 m

Step-by-step explanation:

It is a right triangle,

so 12*12 + 5*5 = length * length

144 + 25 = length * length

13 = length

Answer 2

Answer: 13 m

Step-by-step explanation

using pythagorus theorum

hypotenuse²=base²+height²

height =12m

Base = 5m

length of the ladder =  √12^2+5^2

                                   =  √144+25

                                     = √169

                                      =13

       Hence length of ladder = 13m