Learn how to use interior angle sum theorem for triangles to determine the missing angle

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Mathematics
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11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total sum of all angles in a triangle?
90 degrees
180 degrees
360 degrees
270 degrees
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If two angles of a triangle are known, what is the first step to find the third angle?
Multiply the known angles
Subtract the known angles from 180
Add the known angles
Divide the known angles by 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equation represents the sum of angles in a triangle if two angles are 98 and 14 degrees?
x + 98 + 14 = 90
x + 98 + 14 = 180
x + 98 + 14 = 360
x + 98 + 14 = 270
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After combining the known angles of 98 and 14 degrees, what is the next step to find the missing angle?
Add 112 to 180
Subtract 112 from 180
Multiply 112 by 180
Divide 112 by 180
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the measure of the missing angle if the other two angles are 98 and 14 degrees?
70 degrees
64 degrees
68 degrees
72 degrees
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