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Question (31)

QN0015937

In construction work, alternate angles help workers check whether beams are:

(A) Circular
(B) Parallel
(C) Curved
(D) Equal in mass

Correct Answer: B

Explanation:

Alternate angles are used to verify parallelism.

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Question (32)

QN0015938

If alternate angles measure 102° and 102°, their average is:

(A) 51°
(B) 102°
(C) 204°
(D) 78°

Correct Answer: B

Explanation:

Average of equal numbers remains the same.

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Question (33)

QN0015939

Which property is illustrated by equal alternate angles?

(A) Midpoint theorem
(B) Alternate angle criterion for parallel lines
(C) Pythagoras theorem
(D) Angle bisector theorem

Correct Answer: B

Explanation:

Equal alternate angles establish parallel lines.

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Question (34)

QN0015940

If one alternate angle is 58°, the adjacent angle at the same intersection is:

(A) 122°
(B) 58°
(C) 32°
(D) 90°

Correct Answer: A

Explanation:

180° − 58° = 122°.

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Question (35)

QN0015941

A pair of alternate angles is 95° and 95°. This directly indicates:

(A) Parallel lines cut by a transversal
(B) Perpendicular lines only
(C) A circle and a tangent
(D) A triangle and a median

Correct Answer: A

Explanation:

Equal alternate angles indicate parallel lines.

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Question (36)

QN0015942

Surveyors use alternate angles mainly to:

(A) Measure weight
(B) Verify parallel directions
(C) Measure temperature
(D) Calculate volume

Correct Answer: B

Explanation:

Surveyors use alternate angles to verify parallel directions.

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Question (37)

QN0015943

If alternate angles are 69° and 69°, then the supplementary angle to either is:

(A) 111°
(B) 69°
(C) 101°
(D) 121°

Correct Answer: A

Explanation:

180° − 69° = 111°.

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Question (38)

QN0015944

If one alternate angle is 154°, the acute angle in the figure is:

(A) 26°
(B) 36°
(C) 46°
(D) 56°

Correct Answer: A

Explanation:

180° − 154° = 26°.

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Question (39)

QN0015945

Equal alternate angles in bridge structures help engineers confirm that support members are:

(A) Parallel
(B) Circular
(C) Perpendicular
(D) Curved

Correct Answer: A

Explanation:

Equal alternate angles confirm parallel support members.

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Question (40)

QN0015946

A transversal intersects two lines. One pair of alternate angles measures 91° and 91°. What is the correct conclusion?

(A) The lines are parallel
(B) The lines are perpendicular
(C) The lines are coincident
(D) The lines are not parallel

Correct Answer: A

Explanation:

Equal alternate angles imply parallel lines.

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Question (31)

In construction work, alternate angles help workers check whether beams are:

Explanation:

Link:

Question (32)

If alternate angles measure 102° and 102°, their average is:

Explanation:

Link:

Question (33)

Which property is illustrated by equal alternate angles?

Explanation:

Link:

Question (34)

If one alternate angle is 58°, the adjacent angle at the same intersection is:

Explanation:

Link:

Question (35)

A pair of alternate angles is 95° and 95°. This directly indicates:

Explanation:

Link:

Question (36)

Surveyors use alternate angles mainly to:

Explanation:

Link:

Question (37)

If alternate angles are 69° and 69°, then the supplementary angle to either is:

Explanation:

Link:

Question (38)

If one alternate angle is 154°, the acute angle in the figure is:

Explanation:

Link:

Question (39)

Equal alternate angles in bridge structures help engineers confirm that support members are:

Explanation:

Link:

Question (40)

A transversal intersects two lines. One pair of alternate angles measures 91° and 91°. What is the correct conclusion?

Explanation:

Link:

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