Lessons
Parallel Lines & TransversalsÂ
Triangle Sum TheoremÂ
& Exterior Angle Theorem
Angle-Angle SimilarityÂ
& Indirect Measurement
Test Practice
Given two similar rectangles, find the length of a corresponding side.
Given two triangles are similar, find the measurement of a corresponding angle.
Determine the measure of an unknown angle in a figure containing two parallel lines cut by a transversal.
Determine the measures of three angles shown in a diagram consisting of parallel lines intersected by a transversal.
Given two similar triangles, use a proportional relationship to determine an unknown side length.