Answer:
.7
Step-by-step explanation:
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Uh, I don't really understand Part 1.
Part B: 5% of the survey respondents did not like either beef or chicken.
Part C: The survey results show a greater dislike of beef. 20 people dislike beef but like chicken. 15 people like beef, but not chicken.
5 don't like both.
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Answer:
Step-by-step explanation:
1). By definition of an exterior angle of a triangle,
Measure of exterior angle of a triangle is equal to the sum of opposite two interior angles.
From the figure attached,
m∠4 = m∠1 + m∠2
2). Property of a triangle states that " sum of interior angles of a triangle is 180°"
Therefore, m∠1 + m∠2 + m∠3 = 180°