A closed umbrella casts a shadow when the sun shines at a 16.3-degree angle to the ground. how tall is the top of the umbrella to the nearest foot ?

Step-by-step explanation:

You need to analize the picture attached.

You can use the following Trigonometry Identity:

 Let call "h" the height in feet of the umbrella.

In this case you can identify that:

Therefore, kwnowing these values you can substitute them into   and solve for "h" in order to find its value.

Applying this procedure, you get that the height of this umbrella is:

a

step-by-step explanation: