Understanding Lines and Angles

Front

What type of angle measures exactly 90 degrees?

Back

Right angle

Front

How does Shreya use a protractor to measure an angle?

Back

Align the protractor with the angle's vertex and read the measurement where the second side intersects the scale.

Front

What is the sum of the angles in a triangle?

Back

180 degrees

Front

Type of lines that intersect at a point.

Back

Intersecting lines

Front

What is the path called in geometry when someone walks in a straight line from a fixed starting point and continues in one direction without stopping?

Back

A ray is a part of a line that has a fixed starting point and extends infinitely in one direction.

Front

What is the measure of the angle formed by a straight line extended in both directions?

Back

180 degrees

Front

What do you call the line segment that connects two points on a map?

Back

Line segment

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle

Front

What do you call an angle in a triangle that measures less than 90 degrees?

Back

Acute angle

Front

A reflex angle is

Back

More than 180 degrees