Math - Corresponding Parts

1.(or corresponding) angles or sides in the same position on similar figures 2.figures that have the same shape but not necessarily the same size 3.the ratio of corresponding sides of similar figures 4.(or tick mark) a mark used in geometry to show that two line segments are congruent 5.a mark used in geometry to show that two angles are congruent 6.figures that have the same size and shape

1. corresponds 2. similar 3. scale factor 4. hash mark 5. arc 6. congruent

ΔTOE ~ ΔCUP What is the scale factor of ΔTOE to ΔCUP?

3

If the figures shown are congruent, what is the value of x? (Hint: The sum of the three angles of any triangle is 180°.)

38

ΔABC ~ ΔDEF Find the length of BC.

72

Two figures are similar, and the scale factor is 2/3. If a side of the larger figure is 12, then the corresponding side in the smaller figure is

8

ΔABC ~ ΔDEF Which of the following statements is not true?

BC = DE

Quadrilaterals MNOP and QRST are similar.

False

ΔABC ~ ΔDEF AB corresponds to DF.

False

ΔABC ~ ΔDEF ab / ac = df / ef is a proportion.

False

Some similar figures are congruent.

True

The scale factor of similar figures is 4/3 , and one side of the smaller triangle is 12. The corresponding side on the larger triangle is 16.

True

ΔABC ~ ΔDEF AD

True

Rectangles HIJK and WXYZ are similar all of the following proportions can be used to solve for m except

m/3 = 2/5