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