If two adjacent sides of a rectangle are 2 cm and 4 cm, then its perimeter is


A) 6 cm

B) 8 cm

C) 12 cm

D) 24 cm

Correct Answer:
C) 12 cm

Description for Correct answer:
Perimeter = \( \Large 2 \left(l+b\right)=2 \left(2+4\right) \)

= 12 cm

Part of solved Quadrilateral and parallelogram questions and answers : >> Elementary Mathematics >> Quadrilateral and parallelogram








Comments

No comments available




Similar Questions
1). The area of a square drawn on a diagonal of a square whose area is twice that of a square of side x is
A). \( \Large 2x^{2} \)
B). \( \Large 4x^{2} \)
C). \( \Large 8x^{2} \)
D). \( \Large 16x^{2} \)
-- View Answer
2). The area of the shaded portion is
A). 16 sq. cm
B). 12 sq. cm
C). 8 sq. cm
D). 4 sq. cm
-- View Answer
3). Sum of the interior angles of a regular polygon having 'n' sides is equal to
A). \( \Large \left(n + 2\right) \pi \)
B). \( \Large \left(n + 1\right) \pi \)
C). \( \Large \left(n - 1\right) \pi \)
D). \( \Large \left(n - 2\right) \pi \)
-- View Answer
4). In a regular polygon, if an interior angle is equal to four times the exterior angle, then number of sides in the polygon is
A). 7
B). 8
C). 10
D). 11
-- View Answer
5). If one side of a regular polygon with seven sides is produced, then exterior angle (in degrees) has the magnitude
A). 60
B). \( \Large 51\frac{3}{7} \)
C). 45
D). 40
-- View Answer


6). The angle BDE in a regular hexagon ABCDEFFA is equal to
A). \( \Large 120 ^{\circ} \)
B). \( \Large 105 ^{\circ} \)
C). \( \Large 90 ^{\circ} \)
D). \( \Large 60 ^{\circ} \)
-- View Answer
7). If in a parallelogram ABCD, bisectors of consecutive angles A and B intersect at P, then \( \Large \angle APB \) is equal to
A). \( \Large 30 ^{\circ} \)
B). \( \Large 45 ^{\circ} \)
C). \( \Large 60 ^{\circ} \)
D). \( \Large 90 ^{\circ} \)
-- View Answer
8). The area of the shaded portion is
A). 8 sq. cm
B). 6 sq. cm
C). 16 sq. cm
D). 4 sq. cm
-- View Answer
9). Match List-I with List-II and select the correct answer using the codes given below the lists List-I
A. Opposite sides equal and parallel
B. Opposite sides equal and one angle \( \Large 90 ^{\circ} \)
C. All sides equal and each angle \( \Large 90 ^{\circ} \)
D. All sides equal and diagonals at right angles
List-II
1. Rectangle
2. Square
3. Rhombus
4. Parallelogram
Codes:
A B C D
A). 4 1 3 2
B). 3 4 2 1
C). 4 1 2 3
D). 2 4 1 3
-- View Answer
10). The area of a rectangle and a square are equal. The side of the square is 5 cm and smaller side of the rectangle is half that of the square. The length of other side of the rectangle would be
A). 5 cm
B). 8 cm
C). 10 cm
D). 12.5 cm
-- View Answer