In this worksheet, we will practice completing geometric proofs using the angle sum of a triangle and finding interior and exterior angles of triangles.
Q1:
In the given figure, if ,
,
and ,
find the measure of .
Q2:
In the following triangle , if
and
, find .
Q3:
In a triangle , if , what type of angle is the interior angle at vertex ?
AReflex
BObtuse
CAcute
DRight
Q4:
In a triangle , if , what type of angle is the exterior angle at vertex ?
Aright
Breflex
Cacute
Dobtuse
Q5:
In the given figure, find the measure of the interior angle .
Q6:
In the given figure, find the measure of the exterior angle .
Q7:
Find the measure of .
Q8:
Find the measure of .
Q9:
The figure shows the exterior angles of a given triangle. Find the sum of the exterior angles.
Q10:
What is the sum of the measures of the exterior angles of a triangle?
Practice Means Progress
Download the Nagwa Practice app to access 23 additional questions for this lesson!
scan me!
Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.