Question

A
rectangular.is (8×+5) cm long and(5×+3) cm braod find it's area​

Answer 1

Correct question

A rectangle is (8x + 5) cm long and (5x + 3) cm broad. Find it's area.

Given

• Length (L) = (8x + 5)cm
• Breadth (B) = (5x + 3)cm

To find

• Area of the rectangle.

Solution

★ Formula of Area of a rectangle

$\large{\underline{\boxed{\tt{Area\: of\: a\: rectangle = L × B}}}}$

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$\tt:\implies\: \: \: \: \: \: \: \: {Area = (8x + 5) × (5x + 3)}$

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$\tt:\implies\: \: \: \: \: \: \: \: {Area = 40x^2 + 24x + 25x + 15}$

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$\tt:\implies\: \: \: \: \: \: \: \: {Area = 40x^2 + 49x + 15}$

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$\sf\pink{⟶}$ Area of the rectangle = (40x² + 49x + 15)cm².

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