Terms & Labels in Geometry

Which tool measures angles?

• ruler

• compass

• protractor

• angle measurer

Which term does not describe this shape?

• square

• rhombus

• quadrilateral

• parallelogram

Which angle appears to be acute?

• EKF

• DJK

• LIJ

• AIL

How many lines of symmetry does this shape have?

• 1

• 2

• 3

• 4

If angle DCA is 125 degrees, what is the measure of angle DCB?

• 50 degrees

• 60 degrees

• 55 degrees

• 65 degrees

Which polygon always has 4 right angles?

• rectangle

• trapezoid

• parallelogram

• quadrilateral

Which is NOT a parallelogram?

• trapezoid

• rectangle

• square

• rhombus

When measuring angles with a protractor, what needs to be lined up with the protractor?

• The vertex

• Always make sure you're lined up on the vertex

• The point where the 2 rays meet

• All of the other answers are correct

What is the name of this polygon?

• a pentagon

• a quadrilateral

• an octagon

• a triangle

What is a polygon?

• A closed figure made up of straight line segments

• An open figure made up of straight line segments

• A closed figure made up of curved edges

• An closed figure made up of crossed line segments