Geometry Review: Key Concepts and Techniques

Which shape has exactly one set of parallel lines?

• Triangle

• Trapezoid

• Rhombus

• Parallelogram

How many sets of parallel lines does a rhombus have?

• One

• None

• Two

• Three

What is the measure of an acute angle?

• 180 degrees

• More than 90 degrees

• Exactly 90 degrees

• Less than 90 degrees

Which angle measurement is typically obtained using a protractor?

• Acute

• Right

• Straight

• Obtuse

What is the sum of the internal angles of a triangle?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

Which statement is true for a right triangle?

• It has two right angles

• It has one right angle

• It has no acute angles

• It has three acute angles

How many lines of symmetry does a regular pentagon have?

• Two

• Five

• None

• One

Which shape has exactly one line of symmetry?

• Circle

• Square

• Rectangle

• Isosceles triangle

Which quadrilateral has two acute and two obtuse angles?

• Rhombus

• Rectangle

• Trapezoid

• Square

What angle is formed when constructing a 70-degree angle using a protractor?

• Straight

• Right

• Obtuse

• Acute