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Lines and Angles: Final Assessment

Section A: Core Review

Question 1mcq
The midpoint of A(2,3)A(2,3) and B(x,7)B(x,7) is (5,5)(5,5). What is xx?
A.88
B.1010
C.77
D.33
Question 2mcq
Which angle is acute?
A.90∘90^\circ
B.120∘120^\circ
C.45∘45^\circ
D.180∘180^\circ
Question 3mcq
Which angle is acute?
A.180∘180^\circ
B.120∘120^\circ
C.90∘90^\circ
D.45∘45^\circ
Question 4mcq
In a review question, which angle is acute?
A.45∘45^\circ
B.90∘90^\circ
C.180∘180^\circ
D.120∘120^\circ
Question 5mcq
Which angle is acute?
A.45∘45^\circ
B.180∘180^\circ
C.90∘90^\circ
D.120∘120^\circ
Question 6mcq
Which angle is acute?
A.45∘45^\circ
B.90∘90^\circ
C.180∘180^\circ
D.120∘120^\circ
Question 7mcq
Two angles form a linear pair. One angle is 65∘65^\circ. What is the other angle?
A.25∘25^\circ
B.180∘180^\circ
C.115∘115^\circ
D.65∘65^\circ
Question 8mcq
Two angles form a linear pair. One angle is 65∘65^\circ. What is the other angle?
A.65∘65^\circ
B.180∘180^\circ
C.25∘25^\circ
D.115∘115^\circ

Section B: Application and Reasoning

Question 9mcq
If two lines intersect and one angle is 72∘72^\circ, what is its vertically opposite angle?
A.72∘72^\circ
B.180∘180^\circ
C.18∘18^\circ
D.108∘108^\circ
Question 10mcq
In a review question, which angle is acute?
A.45∘45^\circ
B.120∘120^\circ
C.180∘180^\circ
D.90∘90^\circ
Question 11mcq
When a transversal cuts two parallel lines, alternate interior angles are:
A.Equal
B.Unrelated
C.Always 90∘90^\circ
D.Always supplementary only
Question 12mcq
When a transversal cuts two parallel lines, alternate interior angles are:
A.Equal
B.Always 90∘90^\circ
C.Always supplementary only
D.Unrelated
Question 13mcq
When a transversal cuts two parallel lines, alternate interior angles are:
A.Unrelated
B.Always 90∘90^\circ
C.Equal
D.Always supplementary only
Question 14mcq
Which angle is acute?
A.45∘45^\circ
B.90∘90^\circ
C.120∘120^\circ
D.180∘180^\circ
Question 15mcq
Which angle is acute?
A.90∘90^\circ
B.180∘180^\circ
C.120∘120^\circ
D.45∘45^\circ
Question 16mcq
In a review question, which angle is acute?
A.120∘120^\circ
B.180∘180^\circ
C.45∘45^\circ
D.90∘90^\circ

Section C: Challenge and Mixed Practice

Question 17mcq
Why can a triangle not have two obtuse angles?
A.A triangle angle sum is 360∘360^\circ.
B.Every triangle has four angles.
C.Two obtuse angles would already sum to more than 180∘180^\circ.
D.Obtuse angles are always 60∘60^\circ.
Question 18mcq
Which angle is acute?
A.120∘120^\circ
B.90∘90^\circ
C.45∘45^\circ
D.180∘180^\circ
Question 19mcq
In a review question, which angle is acute?
A.120∘120^\circ
B.90∘90^\circ
C.45∘45^\circ
D.180∘180^\circ
Question 20mcq
The midpoint of A(2,3)A(2,3) and B(x,7)B(x,7) is (5,5)(5,5). What is xx?
A.1010
B.33
C.77
D.88
Question 21mcq
Which angle is acute?
A.120∘120^\circ
B.90∘90^\circ
C.180∘180^\circ
D.45∘45^\circ
Question 22mcq
In a review question, which angle is acute?
A.180∘180^\circ
B.120∘120^\circ
C.90∘90^\circ
D.45∘45^\circ
Question 23mcq
Which angle is acute?
A.120∘120^\circ
B.45∘45^\circ
C.90∘90^\circ
D.180∘180^\circ
Question 24mcq
Which angle is acute?
A.180∘180^\circ
B.120∘120^\circ
C.90∘90^\circ
D.45∘45^\circ