Perpendicular 7712

Calculate the length of the shadow of a ladder 8 m long leaning against a 6 m high wall. (the sun shines perpendicular to the ladder - see picture).

Correct answer:

s =  11.2915 m

Step-by-step explanation:

c=8 m a=6 m  b=c2a2=8262=2 7 m5.2915 m  s=a+b=6+5.2915=11.2915 m

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