austin rolls a regular six-sided red dice and a regular six-sided black die. if the red die shows 4 and the sum of the two die i
1 answer:
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Answer:
k=10
Step-by-step explanation:
we know that
An exterior angle of a triangle is equal to the sum of the opposite interior angles.
In this problem
m∠YZX+m∠YXZ=m∠MYZ
substitute the given values
Solve for k