Exploring the Sum of Interior Angles in Triangles
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Sophia Harris
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main objective of the video tutorial?
To create colorful paper triangles for decoration.
To learn how to draw different types of triangles.
To understand how the sum of the interior angles of a triangle adds up to 180 degrees.
To measure the angles of a triangle using a protractor.
Tags
CCSS.8.G.A.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which types of triangles are used in the demonstration?
Equilateral triangle, right triangle, and obtuse triangle.
Right triangle, scalene triangle, and isosceles triangle.
Equilateral triangle, obtuse triangle, and acute triangle.
Scalene triangle, isosceles triangle, and right triangle.
Tags
CCSS.4.G.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do after drawing and cutting out a triangle?
Label the angles as X, Y, and Z.
Label the angles as A, B, and C.
Label the sides as 1, 2, and 3.
Label the sides as A, B, and C.
Tags
CCSS.HSG.CO.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of drawing a straight line on the piece of paper?
To use it as a boundary to fit the angles together.
To create a base for the triangle.
To measure the length of the triangle's sides.
To divide the triangle into two smaller triangles.
Tags
CCSS.4.G.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does fitting the angles of the triangle together like a jigsaw puzzle demonstrate?
That the angles form a circle.
That the sum of the interior angles is 180 degrees.
That the angles form a straight line.
That the angles form a right angle.
Tags
CCSS.8.G.A.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the demonstration with the equilateral triangle not considered a proof?
Because it needs to be done with a protractor.
Because it requires more complex calculations.
Because it was only done one time.
Because it only works with equilateral triangles.
Tags
CCSS.8.G.A.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are students encouraged to do after watching the equilateral triangle demonstration?
Try the activity with different types of triangles.
Create a triangle using a ruler.
Draw and cut out a square.
Measure the angles with a protractor.
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