A softball backstop that is 10 feet high casts an 8-foot shadow at the same time a light pole casts a 20-foot shadow. The height of the flagpole is about a) 16 ft

b) 80 ft

c) 30 ft

d) 25 ft

A

Step-by-step explanation:

if 10x2=20 then to get the height of the pole you would do 8 x 2 and 8 x 2=20

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step-by-step explanation:

d = distance between moon and sun, which in this problem is the hypotenuse of a right triangle.  

the distance y is the side opposite to angle x in the right triangle.   use the definition of the sine function from basic trigonometry.

sin(x) = y/d ⇒

d = y/sin(x)

answer

the correct answer is

explanation

the given function is

the excluded values are obtained by solving:

we factor to obtain:

the excluded values are