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1. The angles of a quadrilateral are respectively 120°, 75° and 135°, the measure of fourth angle is:
A. 65°
B. 45°
C. 30°
D. 50°
2. The opposite angles of a parallelogram are (3x - 2)° and (50 - x)° the measure of these angles is
A. 140°, 140°
B. 37°, 143°
C. 37°, 37°
D. 20°, 160°
3. Diagonals of a quadrilateral are of lengths 10 cm and 24 cm. If the diagonals bisect each other at right angles, then the length of each side is
A. 16 cm
B. 13 cm.
C. 18 cm
D. 12 cm.
4. In quadrilateral PQRS, if ∠P = 60° and ∠Q : ∠R : ∠S = 2 : 3 : 7, then ∠S =
A. 175°
B. 210°
C. 150°
D. 135°
5. Which of the following is not a parallelogram?
A. Rectangle
B. Trapezium
C. Rhombus
D. Square
6. The angles of a quadrilateral are (5x)°, (3x + 10)°, (6x – 20)° and (x + 25)°. Now, the measure of each angle of the quadrilateral will be
A. 115°, 79°, 118°, 48°
B. 100° 79°, 118°, 63°
C. 110°, 84°, 106°, 60°
D. 75°, 89°, 128°, 68°
7. The angles of a quadrilateral are in the ratio 3:5:9:13 . The measure of angles of quadrilateral are:
A. 36°, 54°, 140° and 250°
B. 85°, 50°, 200° and 40°
C. 36°, 60°, 108° and 156°
D. 40°, 80°, 150° and 120°
9. All the angles of a convex quadrilateral are congruent. However, not all its sides are congruent. What type of quadrilateral is it?
A. Parallelogram
B. Square
C. Rectangle
D. Trapezium
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