1. Area of a square having side 4 cm is:
(A) 16 sq. cm
(B) 30 sq. cm
(C) 8 sq. cm
(D) 20 sq. cm
2. Perimeter of square having side 5 cm is:
(A) 10 cm
(B) 20 cm
(C) 15 cm
(D) 25 cm
3. Each angle of a square is:
(A) 30°
(B) 60°
(C) 180°
(D) 90°
4. Area of rectangle having sides 8 cm and 5 cm is:
(A) 13 sq. cm
(B) 45 sq. cm
(C) 40 sq. cm
(D) 30 sq. cm
5. Area of parallelogram having sides a and b and θ as included angle is:
(A) ab sin θ
(B) ½ ab sin θ
(C) ab cos θ
(D) a sin θ
6. Area of parallelogram having base 2 cm and height 5 cm is:
(A) 30 sq. cm
(B) 20 sq. cm
(C) 15 sq. cm
(D) 10 sq. cm
7. Area of rhombus with side 20 cm and included angle 30° is:
(A) 100 sq. cm
(B) 400 sq. cm
(C) 200 sq. cm
(D) 50 sq. cm
8. If diagonals of rhombus are 6 cm and 5 cm, area is:
(A) 30 sq. cm
(B) 15 sq. cm
(C) 10 sq. cm
(D) 11 sq. cm
9. If a = 4 cm and b = 8 cm are parallel sides and h = 5 cm is distance between them, then area of trapezoid is:
(A) 12 sq. cm
(B) 30 sq. cm
(C) 40 sq. cm
(D) 20 sq. cm
10. A four-sided figure whose two sides are parallel and two sides non-parallel is called:
(A) Rectangle
(B) Parallelogram
(C) Rhombus
(D) Trapezium
11. The length of the diagonal of a square of side x is:
(A) 2x sq. unit
(B) 4√2 x
(C) √2 x sq. cm
(D) 2x sq. cm
12. The area of a rhombus is 24 sq. cm and one diagonal is 6 cm. Then other diagonal is:
(A) 36 cm
(B) 10 cm
(C) 4 cm
(D) 8 cm
13. If perimeter of a square is 40 cm, then side of square is:
(A) 4 cm
(B) 20 cm
(C) 5 cm
(D) 10 cm