part a: an angle is two collinear rays with a common endpoint. find an example that contradicts this definition. how would you change the definition
to make it more accurate? (5 points)
part b: give an example of an undefined term and how it pertains to angles. (5 points)

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1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation:

answer: $1794

step-by-step explanation:

the value of x is 28.2