Corresponding Parts and Scale Factor

What does it mean when we say triangle B is a scaled copy of triangle A?

• Triangle B is a different shape than triangle A.

• Triangle B is the exact same shape as triangle A, just a different size.

• Triangle B has no relation to triangle A.

• Triangle B has no relation to triangle A.

Tags

CCSS.8.G.A.3

How do you find the scale factor of a triangle?

• By adding the lengths of the corresponding sides

• By dividing the length of a side of the scale copy by the length of the corresponding side of the original triangle.

• By subtracting the lengths of the corresponding sides.

• By multiplying the lengths of the corresponding sides.

Tags

CCSS.7.G.A.1

Which of the following is true about the angles of scale copies?

• The angles in scale copies are always different.

• The angles in scale copies have the same measure.

• The angles in scale copies can only be right angles.

• The angles in scale copies change depending on the scale factor.

Tags

CCSS.7.G.A.1