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Homework Practice

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Lines and Angles: Practice 3

Section A: Core Practice

Question 1mcq
Which angle is acute?
A.120∘120^\circ
B.90∘90^\circ
C.180∘180^\circ
D.45∘45^\circ
Question 2mcq
Which angle is acute?
A.90∘90^\circ
B.180∘180^\circ
C.120∘120^\circ
D.45∘45^\circ
Question 3mcq
Why can a triangle not have two obtuse angles?
A.Two obtuse angles would already sum to more than 180∘180^\circ.
B.A triangle angle sum is 360∘360^\circ.
C.Every triangle has four angles.
D.Obtuse angles are always 60∘60^\circ.
Question 4mcq
Which angle is acute?
A.45∘45^\circ
B.120∘120^\circ
C.90∘90^\circ
D.180∘180^\circ
Question 5mcq
Which angle is acute?
A.120∘120^\circ
B.45∘45^\circ
C.90∘90^\circ
D.180∘180^\circ

Section B: Application Practice

Question 6mcq
Which angle is acute?
A.180∘180^\circ
B.120∘120^\circ
C.90∘90^\circ
D.45∘45^\circ
Question 7mcq
Which angle is acute?
A.120∘120^\circ
B.180∘180^\circ
C.45∘45^\circ
D.90∘90^\circ
Question 8mcq
Why can a triangle not have two obtuse angles?
A.Every triangle has four angles.
B.A triangle angle sum is 360∘360^\circ.
C.Obtuse angles are always 60∘60^\circ.
D.Two obtuse angles would already sum to more than 180∘180^\circ.
Question 9mcq
Which angle is acute?
A.120∘120^\circ
B.180∘180^\circ
C.45∘45^\circ
D.90∘90^\circ
Question 10mcq
Which angle is acute?
A.90∘90^\circ
B.120∘120^\circ
C.45∘45^\circ
D.180∘180^\circ