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Maths-

General

Easy

Question

The length and breadth of a rectangle are (2x – 8) cm and (5x – 7) cm. Find the area of the rectangle.

hint Hint:

The concept used in the question is area of rectangle.
○ The area of the rectangle is the product of sides.

The correct answer is: Hence, the area of the rectangle is 10x2 - 54x + 56 sq.cm.

Answer:

Step-by-step explanation:

○ Given:
Two sides of a rectangle
(2x – 8) cm and (5x – 7) cm.
○ Step 1:
We know, that the area of a rectangle is the product of its sides
i.e area = side side
So,
Area = (2x – 8) (5x – 7)
= 2x (5x -7) - 8(5x-7)
= 10x² - 14x - 40x + 56
= 10x² - 54x + 56 sq.cm

Final Answer:

Hence, the area of the rectangle is 10x² - 54x + 56 sq.cm.

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