Simple Polygons

The shapes in the pictures are all--

• Triangles

• Trapezoids

• Parallelograms

• Heptagons

How many sides does a quadrilateral have?

• 7

• 6

• 5

• 4

• rectangle
• parallelogram
• rhombus
• trapezoid

Q1. What shape has opposite sides that are equal in length?

• A) Parallelogram

• B) Rhombus

• C) Trapezoid

• D) Square

Which of the following statements about a trapezoid is true?

• A trapezoid has four congruent sides.

• A trapezoid has one set of parallel sides.

• A trapezoid has four congruent angles.

• A trapezoid has two sets of parallel sides.

Name the figure.

• Rectangle

• Rhombus

• Parallelogram

• Trapezoid

What is the formula for finding angle sum of a polygon if n is the number of sides ?

• (n-2)x181

• (n-2)x180

• (n-1)x180

• (n-2)x360

If three angles of a quadrilateral are each equal to 75°, then, the fourth angle is

• (a) 150°

• (b) 135°

• (c) 45°

• (d) 75°

What is the sum of all the angles of a pentagon?

• 180°

• 360°

• 540°

• 720°

The measure of each interior angle of a rectangular polygon of 12 sides is ?

• 123 degree

• 125 degree

• 150 degree

• 175 degree