What is the name of the angle formed by BA and BC', given that the two rays share a common endpoint?
1 answer:
Answer:
B. ∠ABC
Step-by-step explanation:
When naming an angle using three points, the points should be given in order, with the vertex of the angle in the middle. B is the only option that has the letters in the right order.
∠CBA would also be a valid name for the angle, but that's not one of the options.
The diagram below shows what the problem is describing.
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Answer:
7.2
Step-by-step explanation:
To reach point D from point C, you need to add 4 to the x-value of point C and take away 6 from the y-value. These numbers are the sides of the hypothetical triangle.
The Pythagorean Theorem states that . If we plug the side lengths in for a and b, we get
. This can be simplified to
, or
. If we root both sides, we find that c is equal to
, which is slightly more than 7, at around 7.2.