By what theorem can these triangles be proved similar?
AA or AAA
Triangles LKJ and RQP are similar. What is KJ?
22
What scale factor from the quad. on the left to the right?
1/2
What special segment is identified in the triangle?
perpendicular bisector
Identify a median.
BG
Are these triangles similar? By what theorem?
Yes, by SSS
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?
Solve for x if quadrilateral NPQM~ quadrilateral SRUT.
What is x=15
DE is the midsegment of triangle ABC and parallel to BC. BC=14. Find DE.
What is DE=7.
Identify an altitude.
CD
What theorem can we use to show triangle BED is similar to triangle BCA?
SAS
What is CB?
110
What is z?
115
What special segment is PN in the triangle?
altitude
Find z
z=4
Are these triangles similar? By what theorem?
Yes, by AA similarity.
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?
Triangle ABC ~ Triangle PQR. Angle QPR=40 degrees, angle PQR=60 degrees. Find angle ACB.
angle ACB= 80 degrees
What special segment is the green dashed line in the triangle?
angle bisector
36.6 feet.
Not similar
800 cm
What is x?
x=7
What special segment is the dashed red line in the triangle?
median
Solve for x.
x=20