FGHI is a rhombus. To use this website, you must agree to our Privacy Policy , including cookie policy. X is the midpoint of AC. ABCD is a parallelogram. If you prove that two triangles are congruent, then you can use CPCTC as a justification for proving corresponding parts congruent.

Some hikers come to a river in the woods. Find the width of the river, GH. ASA Steps 1, 4, 5 5. Part II Continued 6. One of the triangles has a side length of 9 centimeters.

SAS Steps 2, 4, 3 5. FGHI is a rectangle.

# Reteach Triangle Congruence

Practice C Write paragraph proofs for Exercises 1 and 2. Two triangular plates are congruent. If you prove that two triangles are congruent, then you can use CPCTC as a justification for proving corresponding parts congruent.

Look at the breakdown of this acronym: To show that ED GF, look for a pair of angles cojgruence are congruent. One of the triangles has a side length of 9 centimeters.

Add to collection s Add to saved. A city planner sets up the triangles to find the distance RS across a river. Some hikers come to a river in the woods.

# Triangle Congruence: CPCTC Holt Geometry. – ppt download

One angle pair is congruent, because they are vertical angles. Griangle diagonals of a rectangle have equal lengths. Heike could jump about 23 ft.

For complaints, use another congruencee. H You cannot make a conclusion about the side length of the second triangle. The figure shows the river and the triangles. What is the distance between 3, 4 and —1, 5? Part II Continued 6. Therefore the two triangles are congruent by SAS.

## Reteach Triangle Congruence

Upload document Create flashcards. A lighthouse and the range of its shining light are shown.

Small sandwiches are cut in the shape of right triangles. Share buttons are a little bit lower. Published by Evangeline Armstrong Modified over 3 years ago. FGHI is a rhombus. Choose the best answer. Write a conjecture about the diagonals of a rectangle. X is the midpoint of BD. Pproblem is the midpoint of AC.

Find the width of the river, GH. Label the angle measures directly on the figure. So they set up congruent right triangles.

ASA Steps 1, 4, 5 5. The order of vertices matters.