Two forces of 5 pounds and 8 pounds acting at the same point are equivalent to a single force of 10 pounds. Find the angle between the given forces.

step-by-step explanation:

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180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)