Question 3

Which is an obtuse angle?

Triangle ABC with angles A and C less than 90 degrees and angle B is more than 90 degrees.


∠CAB


∠ABC


∠BCA


∠BAC

1 points
Question 4

Which sentence is true about a ray?


A ray is formed by two lines that do not cross each other.


A ray is formed by an endpoint and a line starting at the endpoint and going on forever in one direction.


A ray is formed by two lines that cross at one point.


A ray is formed when two points on a line are labeled.

1 points
Question 5

Classify ∠MBW as right, acute, obtuse, or straight.

obtuse

right

acute


straight