Similarity Theorems
Similar Triangles
Similar Polygons
Special Segments
Random
100

By what theorem can these triangles be proved similar?

AA or AAA

100

Triangles LKJ and RQP are similar. What is KJ?

22

100

What scale factor from the quad. on the left to the right?

1/2

100

What special segment is identified in the triangle?

perpendicular bisector

100

Identify a median.


BG

200

Are these triangles similar? By what theorem?

Yes, by SSS

200

Triangle ABC ~ Triangle XYZ. AB=4,BC=5,AC=6,and xZ=18 Find the perimeter of XYZ.

What is the perimeter of XYZ=45?

200

Solve for x if quadrilateral NPQM~ quadrilateral SRUT.

What is x=15

200

DE is the midsegment of triangle ABC and parallel to BC. BC=14. Find DE.

What is DE=7.

200

Identify an altitude.


CD

300

What theorem can we use to show triangle BED is similar to triangle BCA?

SAS

300

What is CB?

110

300

What is z?

115

300

What special segment is PN in the triangle?

altitude

300

Find z

z=4

400

Are these triangles similar? By what theorem?

Yes, by AA similarity.

400

A flagpole casts a shadow at 5 meters long. Adam near the pole casts a shadow of .5 meters. Adam is 1.75 meters tall. Find the height of the flagpole.

What is 17.5 meters?

400

Triangle ABC ~ Triangle PQR. Angle QPR=40 degrees, angle PQR=60 degrees. Find angle ACB.

 

angle ACB= 80 degrees

400

What special segment is the green dashed line in the triangle?

angle bisector

400

36.6 feet.

500

Not similar

500

800 cm

500

What is x?

x=7

500

What special segment is the dashed red line in the triangle?

median

500

Solve for x.

x=20

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