1) How many students were all involved in the survey? A) 30 B) 40 C) 50 3) What is the size of the class interval?
1 answer:
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Answer: The correct option is 1 and measure is 40.
Explanation:
It is given that points A, B, and C are on line AC. Angle CBD has a measure of 140°.
Draw a diagram using given information,
From the figure it is noticed that the angle CBD and angle ABD are lies on straight line and lies on the same arc. So, the angle CBD and angle ABD are supplementary angles and their sum is 180 degree.
Therefore, the correct option is 1.
