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Homework Practice

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Lines and Angles: Practice 1

Section A: Core Practice

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.77
B.33
C.1010
D.88
Question 2mcq
Which angle is acute?
A.180∘180^\circ
B.120∘120^\circ
C.45∘45^\circ
D.90∘90^\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
Which angle is acute?
A.90∘90^\circ
B.45∘45^\circ
C.120∘120^\circ
D.180∘180^\circ
Question 5mcq
Which angle is acute?
A.180∘180^\circ
B.120∘120^\circ
C.90∘90^\circ
D.45∘45^\circ

Section B: Application Practice

Question 6mcq
Which angle is acute?
A.120∘120^\circ
B.180∘180^\circ
C.45∘45^\circ
D.90∘90^\circ
Question 7mcq
Two angles form a linear pair. One angle is 65∘65^\circ. What is the other angle?
A.65∘65^\circ
B.25∘25^\circ
C.180∘180^\circ
D.115∘115^\circ
Question 8mcq
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.33
B.1010
C.77
D.88
Question 9mcq
Which angle is acute?
A.120∘120^\circ
B.180∘180^\circ
C.90∘90^\circ
D.45∘45^\circ
Question 10mcq
Which angle is acute?
A.45∘45^\circ
B.180∘180^\circ
C.90∘90^\circ
D.120∘120^\circ