The diagram shows a plan for fencing off a playground area in a ball park. The sides of the park will create three of the boundaries of the playground area. The other sides, shown as dotted lines, will be fenced. How much fencing is needed to make the playground?

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

a

step-by-step explanation:

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