
CP - Lesson: Triangle Angle Measures (part 1)
Presentation
•
Mathematics
•
9th Grade
•
Medium
+1
Standards-aligned
Christopher Gassler
Used 14+ times
FREE Resource
5 Slides • 7 Questions
1
Categorize
2
OBJECTIVE: Find the missing angle in a given triangle
3
Multiple Select
Classify the triangle.
Acute
Right
Obtuse
Scalene
Isosceles
4
There are 3 angles in a triangle.
When you add all 3 angles together they ALWAYS equal 180°
31° + 105° + 44° = 180°
5
Math Response
6
1) Two sides are equal
AND
2) The BASE ANGLES are equal
7
Given the triangle:
What is the measure of ∠C?
What is the measure of ∠B?
8
Multiple Select
Given the triangle, find the missing measures.
(picture is not to scale)
∠B = 67°
∠A = 46°
∠A = 67°
∠B = 46°
∠A = 95°
9
Multiple Select
Given the triangle, find the missing measures.
(picture is not to scale)
∠B = 82°
∠A = 16°
∠A = 82°
∠B = 16°
∠A = 22°
10
Given the triangle:
What is the measure of ∠C?
11
Multiple Choice
Given the triangle, find the m∠B.
(picture is not to scale)
74°
148°
64°
16°
180°
12
Multiple Choice
Given the triangle, find the m∠A.
(picture is not to scale)
78°
156°
48°
24°
180°
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