Geometry 4-6 Congruence in Right Triangles
starstarstarstarstarstarstarstarstarstar
by Matthew Richardson
| 24 Questions
Note from the author:
A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.
The outlined content above was added from outside of Formative.
The outlined content above was added from outside of Formative.
Functionalized Placeholder
1
2
1
5
Solve It! One of the tent flaps was damaged in a storm. Can you use the other flap as a pattern to replace it?
Yes
No
2
10
Explain.
The outlined content above was added from outside of Formative.
The outlined content above was added from outside of Formative.
3
20
Problem 1 Got It? Complete the proof on the canvas.
4
10
Problem 1 Got It? Reasoning: Your friend says, "Suppose you have two triangles with congurent hypotenuses and one pair of congruent legs. It does not matter which leg in the first triangle is congruent to which leg in the second triangle. The triangles will be congruent." Is your friend correct? Explain.
The outlined content above was added from outside of Formative.
5
20
Problem 2 Got It? Complete the proof on the canvas.
Functionalized Placeholder
6
6
10
A
B
C
D
Functionalized Placeholder
7
7
10
A
B
C
D
Functionalized Placeholder
8
8
10
A
B
C
D
Functionalized Placeholder
9
9
10
A
B
C
D
10
5
Vocabulary: A right triangle has side lengths of 5 cm, 12 cm, and 13 cm. What is the length of the hypotenuse?
5 cm
12 cm
13 cm
11
10
Vocabulary: Explain how you identified the hypotenuse in the previous item.
12
10
Compare and Contrast: How do the HL Theorem and the SAS Postulate compare? How are they different? Explain.
Functionalized Placeholder
13
14
13
10
Error Analysis: Your classmate says that there is not enough information to determine whether the two triangles shown are congruent. Is your classmate correct?
Yes
No
14
10
Explain.
15
5
Review Lesson 4-5: Consider the congruence statement.

What type of triangle must △STU be?
Consider sketching △STU and labeling all known information.
isosceles
equilateral
scalene
16
5
Review Lesson 4-5: Consider the congruence statement.

What type of triangle must △STU be?
Consider sketching △STU and labeling all known information.
isosceles
equilateral
scalene
Functionalized Placeholder
17
17
10
Review Lessons 4-3 & 4-6: Can you conlude that the triangles are congruent? Explain.


No, they're not or there is not enough information.
Yes, they're congruent by SSS.
Yes, they're congruent by SAS.
Yes, they're congruent by AAS.
Yes, they're congruent by ASA.
18
5
Vocabulary Review: True or False? Segments that are congruent have the same length.
True
False
19
5
Vocabulary Review: True or False? Polygons that are congruent have the same shape but are not always the same size.
True
False
20
5
Vocabulary Review: True or False? In congruent figures, corresponding angles have the same measure.
True
False
Functionalized Placeholder
21
22
23
21
5
right
congruent
22
5
right
congruent
23
5
right
congruent
24
10
Reflection: Math Success
Add to my formatives list

Formative uses cookies to allow us to better understand how the site is used. By continuing to use this site, you consent to the Terms of Service and Privacy Policy.