Chapter 11 Constructions- MCQ Online Test 1 Class 9 Maths

1. With the help of a ruler and compass, it is possible to construct an angle of
(a) 50.5°
(b) 50°
(c) 37.5°
(d) 35°

2. Two or more circles are concentric if they have same
(a) diameter
(b) radii
(c) centre
(d) none

3. On a ray AB with initial point A, Taking A as centre and some radius, draw an arc of a circle, which intersects AB, say at a point D. Taking D as centre and with the same radius as before, draw an arc intersecting the previously drawn arc, say at a point E. Draw the ray AC passing through E. Then, the measure of ∠CAB is
(a) 25°
(b) 90°
(c) 60°
(d) 80°

4. It is not possible to construct a triangle whose sides are
(a) 6 cm, 3 cm and 5 cm
(b) 3 cm, 3 cm and 6 cm
(c) 7 cm, 4 cm and 6 cm
(d) 4 cm, 9 cm and 11 cm

5. A rotating ray after making a complete rotation coincides with its initial position. The angle thus formed is
(a) straight angle
(b) complete angle
(c) reflex angle
(d) none of these

6. If two circles touches internally then distance between their centres is equal to
(a) not possible to determine
(b) difference of radii
(c) sum of radii
(d) none

7. If a 60° angle is bisected twice what will be measure of each angle that is constructed ?
(a) 10°
(b) 25°
(c) 15°
(d) 18°

8. It is not possible to construct a triangle ABC with BC = 5cm,∠B = 75° and AB+AC equal to
(a) 12 cm
(b) 4.5 cm
(c) 9.5 cm
(d) 15 cm

9. If two lines are parallel, the perpendicular distance between the
(a) increases
(b) Remains constant
(c) decreases
(d) none

10. The construction of △ABC in which AB = 5 cm, ∠A = 750 is not possible when difference of BC and AC is equal to
(a) 5 cm
(b) 9.5 cm
(c) 6.5 cm
(d) 5.5 cm