Identifying Perpendicular Lines and Shapes

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

How can you identify perpendicular lines in a shape?

Back

You can identify perpendicular lines in a shape by looking for corners or angles that form a right angle.

Front

What is the sum of angles in a triangle?

Back

The sum of angles in a triangle is always 180 degrees.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

How do you calculate the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its width by its height (Area = width × height).

Front

What is the formula for finding the area of a triangle?

Back

The area of a triangle is calculated using the formula: Area = 1/2 × base × height.

Front

What is a square?

Back

A square is a shape with four equal sides and four right angles.

Front

What is a rectangle?

Back

A rectangle is a shape with opposite sides that are equal and four right angles.