👉 Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. To determine the corresponding congruent parts ...

👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same ...

Prove two triangles are congruent by showing they satisfy one of four criteria. Find missing lengths by using the scale factor. The relationship between similar shapes may be expressed as a ratio.

1. Complete the following statements: (a) Two line segments are congruent if _____. (b) Among two congruent angles, one has a measure of 70°; the measure of the other angle is _____. (c) When we write ...

A triangle is a polygon. It is a closed 3-sided shape made up of straight lines. The ‘tri-’ part of the word triangle means three. A triangle has 3 sides and 3 angles. Interior angles are the angles ...