Operation
What is half of 36?
18
What do we call two lines that never meet?
Parallel line
What is the perimeter of a square with side lengths of 5 centimeters?
20 centimeters
What is the name of an angle that is exactly 90 degrees?
right angle
If you have one-quarter of 180, what is the result?
45
What type of line goes straight across, parallel to the horizon?
horizontal line
A rectangle has a length of 8 meters and a width of 4 meters. What is its area in square meters?
32 square meters
What do we call an angle that is less than 90 degrees?
acute angle
What is three-fifths of 50?
30
What do we call two lines that intersect at a 90-degree angle?
perpendicular lines
The base of a triangle is 10 centimeters, and the height is 6 centimeters. What is its area in square centimeters?
30 square centimeters
What is the name of an angle that is more than 90 degrees but less than 180 degrees?
obtuse angle
If you subtract one-third of 90 from 60, what do you get?
30
What is the name of the point where two lines meet?
intersection
A square has an area of 49 square meters. What is the length of one side?
7 meters
What do we call an angle that is exactly 180 degrees?
straight angle
Add one-half of 80 to one-quarter of 40.
50
What type of line runs straight up and down?
vertical line
A rectangle has a perimeter of 24 centimeters. If the width is 5 centimeters, what is the length?
7 centimeters
What is the name of an angle that is more than 180 degrees but less than 360 degrees?
reflex angle