Rhombus
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Definition of Rhombus
Rhombus is a parallelogram with four equal sides.
More about Rhombus
 Diagonals of a rhombus bisect each other at right angles.
 Diagonals of a rhombus bisect opposite angles.
 Area of a rhombus (A) with side length l and perpendicular distance h between opposite sides is given as A = lh
Video Examples: Properties of a Rhombus
Example of Rhombus

The given figure represents a rhombus.
Solved Example on Rhombus
Ques: ABCD is a rhombus. Find the area of ABCD, if AC = 3 in. and BD = 4 in.
Choices:
A. 9 in.2B. 6 in.2
C. 7 in.2
D. 8 in.2
Correct Answer: B
Solution:

Step 1: Area of rhombus = 1/2 × product of diagonals
Step 2: AC = 3 in. and BD = 4 in. [Given.]
Step 3: Area of ABCD = 1/2 × AC × BD
Step 4: = 1/2 × 3 × 4
Step 5: = 12 / 2 = 6 [Substitute AC = 3 and BD = 4.]
Step 6: The area of ABCD = 6 in.2.
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