Find the angular size of a circular object with a 1-inch diameter viewed from a distance of 4 yards.
1 answer:
Answer:
Step-by-step explanation:
- 4 yards = 4*36 in = 144 in
<u>Angle is x</u>
- tan(x/2) = 1/2 * 1/144
- x/2 = arctan (1/288)
- x /2 = 0.1989428794619145°
- x = 2*0.1989428794619145°
- x = 0.39788575892°
- x = 0.40° (rounded)
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