Multiple Choice Questions from - Lines & Angles
1. When the sum of the measures of two angles is 90°, the angles are called
(а) supplementary angles (b) complementary angles
(c) adjacent angles (d) vertically opposite angles
2. The sum of the measures of two complementary angles is
(a) 180° (b) 60° (c) 45° (d) 90°
3. The measure of the complement of the angle 30° is
(а) 30° (b) 16° (c) 60° (d) 160°
4. The measure of the angle which is equal to its complement is
(a) 30° (b) 60° (c) 46° (d) 90°
5. Which of the following pairs of angles is not a pair of complementary angles?
(a) 60°, 30° (b) 66°, 34° (c) 0°, 90° (d) 160°, 30°
6. The sum of the measures of two supplementary angles is
(a) 90° (b) 180° (c) 360° (d) none of these
7. Which of the following statements is true?
(a) Two acute angles can be supplementary.
(b) Two right angles can be supplementary.
(c) Two obtuse angles can be supplementary.
(d) One obtuse angle and one acute angle cannot be supplementary
8. Which of the following statements is false?
(a) Two vertically opposite angles can be acute
(b) Two vertically opposite angles can be obtuse
(c) Two vertically opposite angles can be right angles
(d) Two vertically opposite angles may be unequal
Answers
Step-by-step explanation:
Multiple Choice Questions from - Lines & Angles
1. When the sum of the measures of two angles is 90°, the angles are called
(а) supplementary angles (b) complementary angles
(c) adjacent angles (d) vertically opposite angles
2. The sum of the measures of two complementary angles is
(a) 180° (b) 60° (c) 45° (d) 90°
3. The measure of the complement of the angle 30° is
(а) 30° (b) 16° (c) 60° (d) 160°
4. The measure of the angle which is equal to its complement is
(a) 30° (b) 60° (c) 46° (d) 90°
5. Which of the following pairs of angles is not a pair of complementary angles?
(a) 60°, 30° (b) 66°, 34° (c) 0°, 90° (d) 160°, 30°
6. The sum of the measures of two supplementary angles is
(a) 90° (b) 180° (c) 360° (d) none of these
7. Which of the following statements is true?
(a) Two acute angles can be supplementary.
(b) Two right angles can be supplementary.
(c) Two obtuse angles can be supplementary.
(d) One obtuse angle and one acute angle cannot be supplementary
8. Which of the following statements is false?
(a) Two vertically opposite angles can be acute
(b) Two vertically opposite angles can be obtuse
(c) Two vertically opposite angles can be right angles
(d) Two vertically opposite angles may be unequal
Answer:
1.complementary angle
2.90°
3.60°
4.46°
5.0°,90°
6.180°
7.B option
8.option d