A ladder 13 m long when set against the wall of house just reaches a window at a height of 12 m from the ground. How far is the lower end of the ladder from the base of the wall?

Let the ladder be AB=13m

Let the vertical height reached be AC=12m

Let the distance between the foot of the ladder and wall be BC= x meters

By Pythagoras Theorem,

(AB)^2=(AC)^2+(BC)^2

(13)^2=(12)^2+(x)^2

x^2=169-144

x^2=25

x = 5 meters

Therefore,the foot of the ladder is 5 m away from the wall.

Step-by-step explanation:

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part d

step-by-step explanation:

theresa talked her parents into getting sd cards for her phone and her brother’s phone. inserting an sd card into a phone gives it more storage. they both get 8-gigabyte sd cards. how many bits of storage come with each sd card? type your answer in both scientific and standard notation.