4th Grade Geometry Review

What is a right angle?

• An angle that measures exactly 90 degrees.

• An angle that measures exactly 45 degrees.

• An angle that measures exactly 180 degrees.

• An angle that measures less than 90 degrees.

What do you call a four-sided figure with opposite sides equal?

• Rectangle

• Square

• Parallelogram

• Trapezoid

What is the perimeter of a square with a side length of 5 units?

• 15 units

• 20 units

• 25 units

• 10 units

What is a circle?

• A round shape where all points are equidistant from the center.

• A polygon with three sides.

• A shape with four equal sides and angles.

• A figure with no straight edges.

What is the formula for the area of a rectangle?

• Area = length × width.

• Area = length + width.

• Area = length - width.

• Area = length ÷ width.

True or False: A square is a type of rectangle.

• True

• False

• Only in certain cases

• Only if it has equal sides

How many lines of symmetry does a square have?

• 2

• 4

• 3

• 1

What do you call a triangle with all sides of different lengths?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• Right triangle

True or False: A square is a type of rhombus.

• True

• False

• Only in certain cases

• Not enough information

What is a polygon?

• A closed figure with three or more straight sides.

• A shape with only curved edges.

• A figure that has no sides.

• A three-dimensional shape.