Dan draws a circle with a radius of 8 inches. Question 1 Part A: What is the circumference of Dan's circle, inches? If needed, round your answer to the nearest hundredth. Enter your answer in the box.

The circumference of Dan's circle is approximately 50.27 inches.

Step-by-step explanation:

The length of the circumference (), measured in inches, is determined by the formula:

(1)

Where is the radius, measured in inches.

If we know that , then the length of the circumference is:

The circumference of Dan's circle is approximately 50.27 inches.

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,