Question

Q10 Find the areas of the rectangles whose sides are:
7 cm and 4 cm

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Answer 1

Answer:

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Answer 2

Given : 7 cm and 4 cm.

To Find : Areas of the rectangle.

Formula Used : ${\sf{Area \: of \: rectangle = l × b}}$

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${ \sf{ = 7 \times 4}} \\ \\ { \boxed{\sf{ \pink{ = 28cm}}}}$

${ \underline{ \textsf{Hence, \: Area \: of \: Rectangle \: is {\textbf{28cm}}}}}.$

Additional Information :

Area of square = a²

Area of Rectangle = l × b

Area of Circle = πr²

Area of Trapezoid = $\sf{ \dfrac{a+b}{2}h}$

Perimeter of Square = 4 × (side)

Perimeter of Rectangle = 2(l + b)

Perimeter of Circle = 2πr

Perimeter of Trapezoid = a + b + c + d

Perimeter of Triangle = a + b + c

Perimeter of Parallelogram = 2(a + b)