Area of Rectangle
Area of Rectangle
A rectangle is a four sided figure with pair of opposite parallel to each other and each angle is right angle. The adjacent sides are not equal. and are considered as length and breadth.
Area of Rectangle = Length X Breadth
Illustration: Find the area of a rectangle having length 5 cm and breadth 4 cm.
Solution: Length = 5cm and Breadth = 4 cm
Area = Length X breadth = 5 X 4 = 20 sq cm.
Illustration: Given that the area of rectangle is 75 sq cm. if one side is 5 cm find the other side.
Solution: One side of the rectangle = 5cm. Let the other side of the rectangle = y cm
Area of rectangle = Length X breadth = 5 X y sq cm
According to the question: Area of rectangle = 75 sq cm OR 5 X y = 75 sq cm
Hence the other side = 15 cm
Illustration: Find the area of a rectangle having length 4. 5 cm and breadth 3.5 cm.
Solution: Length = 4.5cm and Breadth = 3.5 cm
Area = Length X breadth = 4.5 X 3.5 = 15.75 sq cm
Illustration: Find the area of a rectangle having length3.9 cm and breadth 13 cm.
Solution: Length =3.9cm and Breadth = 13 cm
Area = Length X breadth = 3.9 X 13 = 50.7sq cm
The area of square of side 8 cm is the same as that of a rectangle of length 32 cm. What is the breadth of the rectangle ? | |||
| Right Option : A | |||
| View Explanation | |||
By how much is the area of rectangle of 5 X 3 cm decreased, when its longer side is decreased by 3 cm ? | |||
| Right Option : B | |||
| View Explanation | |||
The side of a square tile is 10 cm. How many tiles can be fixed on one side of wall which is 2.5 m long and 2 m high? | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [20]
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