RECTANGLE
Definition Of Rectangle
A rectangle is a quadrilateral with four right angles.
More about Rectangle
The either sides of a rectangle are parallel and of equal length.
All squares are rectangles.
Perimeter of a rectangle is give as 2(length + width).
Area of a rectangle = length × width
Example of Rectangle
The four angles are right angles in a rectangle. The opposite sides are parallel and are congruent.
Video Examples: Area of a Rectangle
Solved Example on Rectangle
Ques: A corn field is in the form of a rectangle with length 14 yards and width 11 yards. Find the area of the field.
Choices:
A. 121 square yards
B. 196 square yards
C. 154 square yards
D. 616 square yards
Correct Answer: C
Solution:
Step 1: Length of the field = 14 yards
Step 2: Width of the field = 11 yards
Step 3: The area of the field = length X width = 14 X 11 = 154 square yards
Step 4: Therefore, the area of the corn field is 154 square yards.
Quick Summary
- A rectangle has four sides and four right angles.
- Opposite sides of a rectangle are parallel and equal in length.
- The area of a rectangle is found by multiplying its length and width.
🍎 Teacher Insights
Use real-world examples like books, doors, and tables to illustrate the concept of rectangles. Emphasize the difference between area and perimeter with visual aids.🎓 Prerequisites
- Quadrilaterals
- Angles
- Basic Arithmetic
Check Your Knowledge
Q1: A rectangle has a length of 5 cm and a width of 3 cm. What is its area?
Q2: Which of the following is NOT a property of a rectangle?
Frequently Asked Questions
Q: Is a square a rectangle?
A: Yes, a square is a special type of rectangle where all four sides are equal in length.
Q: How do you find the perimeter of a rectangle?
A: The perimeter is found by adding all the side lengths together, or by using the formula: 2(length + width).