Similar Triangles

Similarity Tests

100

What similarity test would you use for triangles that have all three sides in proportion?

SSS

200

What similarity test would you use for a triangle that has a right angle?

RHS

300

What similarity test would you use for triangles that have two angles marked as equal?

AAS or AAA

400

What similarity test would you use if one triangle has been scaled down from the other but all corresponding angles remain equal?

AAA

500

What similarity test would you use for a triangle that has two sides in proportion and the included angles are equal?

SAS

Sides, Angles, Vertices

100

If triangle ABC ||| triangle DEF, what can you say about the corresponding sides of the triangles?

That they are in proportion

200

If triangle XYZ ||| triangle PQR, what corresponds to angle Y in triangle PQR?

Angle Q

300

If triangle LMN ||| triangle XYZ, which vertex in triangle XYZ corresponds to vertex M in triangle LMN?

Vertex Y

400

If triangle PQR ||| triangle STU, which side in triangle STU corresponds to side QR in triangle PQR

TU

500

In triangle ABC ||| triangle DEF, if angle A = 35 and angle B = 65, what is angle D in triangle DEF?

35