Maths-
General
Easy
Question
Find the area of the green rectangle.
Hint:
- Area of rectangle is given by product of length and breadth.
- Area of rectangle = length × breadth.
- Area of rectangle = l × b
- Distributive property: a (b + c) = ab + ac
The correct answer is: Hence, area of green rectangle is 14x2 + 11x + 2.
Answer:
- Step by step explanation:
- Given:
- Length (l) = 7x + 2 units
Breadth (b) = 2x + 1 units
- Step 1:
- Find area of green rectangle.
So,
Area of rectangle = l × b
Area of rectangle = (7x + 2) × (2x + 1)
- Step 1:
- Product of polynomials.
Area of rectangle = (7x + 2) × (2x + 1)
Area of rectangle = 7x × (2x + 1) + 2 × (2x + 1)
[ a (b + c) = ab + ac ]
Area of rectangle = 14x2 + 7x + 4x + 2
Area of rectangle = 14x2 + 11x + 2
- Final Answer:
Hence, area of green rectangle is 14x2 + 11x + 2.
- Given:
- Length (l) = 7x + 2 units
Breadth (b) = 2x + 1 units- Step 1:
- Find area of green rectangle.
Area of rectangle = l × b
Area of rectangle = (7x + 2) × (2x + 1)- Step 1:
- Product of polynomials.
Area of rectangle = 7x × (2x + 1) + 2 × (2x + 1)
[ a (b + c) = ab + ac ]
Area of rectangle = 14x2 + 7x + 4x + 2
Area of rectangle = 14x2 + 11x + 2- Final Answer:
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