jameragreer jameragreer

06-01-2017
Mathematics

contestada

A 6-ft adult has a shadow 3.6 ft long. How long is the shadow of a 5-ft child standing next to the adult?

A. 3 ftB 2.6 ftC. 4 ftD> 3.6 ft

Respuesta :

LammettHash LammettHash

06-01-2017

The adult's shadow forms a right triangle with the light source making an angle [tex]\theta[/tex] with the ground such that

[tex]\tan\theta=\dfrac6{3.6}=\dfrac53[/tex]

which means the child's shadow is 3 ft long.

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