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WorksheetsProving the Interior Angle Sum Theorem
Total questions: 10
Worksheet time: 20mins
Name
Class
Date
1.
Find m∠B.
a)
10
b)
20
c)
30
d)
40
2.
Find m∠B.
a)
56
b)
34
c)
90
d)
68
3.
Find m∠B and m∠C.
a)
m∠B = 21°, m∠C = 81°
b)
m∠B = 7°, m∠C = 21°
c)
m∠B = 21°, m∠C = 7°
d)
m∠B = 81°, m∠C = 21°
4.
Find m∠A, m∠B, and m∠C.
a)
m∠A = 43°, m∠B = 52°, m∠C = 85°
b)
m∠A = 52°, m∠B = 85°, m∠C = 43°
c)
m∠A = 85°, m∠B = 52°, m∠C = 43°
d)
m∠A = 85°, m∠B = 43°, m∠C = 52°
5.
Find m∠A and m∠B.
a)
m∠A = 29°, m∠B = 92°
b)
m∠A = 92°, m∠B = 29°
c)
m∠A = 151°, m∠B = 29°
d)
It cannot be determined.
6.
Find m∠A and m∠B.
a)
m∠A = 128°, m∠B = 52°
b)
m∠A = 52°, m∠B = 128°
c)
m∠A = 54°, m∠B = 126°
d)
m∠A = 126°, m∠B = 54°
7.
Find m∠CAB and m∠ABC.
a)
m∠CAB = 24°, m∠ABC = 26°
b)
m∠CAB = 25°, m∠ABC = 25°
c)
m∠CAB = 50°, m∠ABC = 50°
d)
m∠CAB = 26°, m∠ABC = 24°
8.
Find m∠CAB and m∠ABC.
a)
m∠CAB = 25°, m∠ABC = 65°
b)
m∠CAB = 65°, m∠ABC = 25°
c)
m∠CAB = 10°, m∠ABC = 80°
d)
It cannot be determined.
9.
Find m∠CAB and m∠ABC.
a)
m∠CAB = 125°, m∠ABC = 10°
b)
m∠CAB = 10°, m∠ABC = 125°
c)
m∠CAB = 45°, m∠ABC = 125°
d)
m∠CAB = 125°, m∠ABC = 45°
10.
Find m∠B.
a)
It cannot be determined.
b)
m∠B = 45°
c)
m∠B = 72°
d)
m∠B = 63°
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