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In this lesson, we will learn how to find the relationship between the angle measures of a triangle and compare between exterior and interior angles.
Q1:
What is the sum of the measures of the exterior angles of a triangle?
Q2:
Is π β π΄ π· π < , = , > π β π΄ πΆ π· o r ?
Q3:
The figure shows some angles identified on triangle π΄ π΅ πΆ .
Identify which angle is an exterior angle.
Identify which angle is an interior angle.
Q4:
Is the measure of two right angles less than, equal to or greater than the sum of the interior angles of a triangle?
Q5:
The figure shows the exterior angles of a given triangle. Find the sum of the exterior angles.
Q6:
What is the size of an exterior angle of an equilateral triangle?
Q7:
Find π β πΆ π΄ πΈ .
Q8:
Determine whether the following sentence is true or false: It is possible to draw a triangle on a plane with two obtuse angles.
Q9:
In a triangle π π π , if π π = π π , what type of angle is the exterior angle at vertex π ?
Q10:
Which of the following inequalities is correct?
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