Polygons and Geometry Expressions

State whether the triangles are similar. If so, state the reason they are similar.

• SAS~

• SSS~

• AA~

• not ~

Find the area. The figure is not drawn to scale.

• 144.5 cm²

• 127 cm²

• 172 cm²

• 50 cm²

Which of the following best describes a transformation in geometry?

• A method to calculate volume

• A function that maps a point to another point on a plane

• A technique to measure angles

• A formula to find the circumference

Which transformation is described as preserving the shape of a figure while possibly changing its position or orientation?

• Dilation

• Rotation

• Isometry

• Congruence

What is the definition of corresponding angles?

• Angles with different measures in similar polygons

• A pair of matching angles with equal measures in two congruent polygons

• Sides whose lengths have the same ratio as other sides

• The property of two figures having the same shape and size

What are corresponding sides in the context of polygons?

• Sides in different polygons with different lengths

• Sides in the same polygon with equal lengths

• A pair of matching sides with equal lengths in two congruent polygons

• The sides in a polygon that do not match with any other sides

What is the scale factor in a dilation?

• The ratio of the original size to the dilated size

• The difference in size between the original and the dilated figure

• The ratio of the dilated size to the original size

• The sum of the original and dilated sizes

This polygon is an example of a __________.

• hexagon

• heptagon

• pentagon

What is this tool called and what is it used for?

• A ruler used to measure lines.

• A protractor used to measure lines.

• A ruler used to measure angles.

• A protractor used to measure angles.

A polygon has to be ____________.

• closed

• open

• angles