Calculating the Angle Between the Sun's Diameter and Earth: Radians and Degrees

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To calculate the angle between the edges of the Sun as viewed from Earth, the small angle approximation can be applied due to the vast distance relative to the Sun's diameter. The Sun's diameter is 1.39x10^9 m, and it is approximately 1.5x10^11 m away from Earth. Using the formula for small angles, the angle in radians can be approximated as the diameter divided by the distance. This results in an angle of about 0.0093 radians or approximately 0.53 degrees. The discussion emphasizes avoiding trigonometric functions or triangle-based calculations.
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The diameter of the sun is 1.39x10^9 m, and it is 1.5x10^11 m from the earth. When viewed from Earth what is the angle from one side of the sun to the other? Give answer is Radians and Degrees.


My problem is the qusetion also states do NOT use sine, cosine, or triangles to solve this.


My attempt was to think in spheres from one to the other drawing lines to connect the two, but then that results in a triangle.

HINT: the ANGLE is very small

TIA
 
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