Question

Breadth of a rectangle whose area is 285 cm square and length is 15 cm will be

Answer 1

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• Area of Rectangle = 285 cm²
• Length (L) = 15 cm

★ $\large {\boxed{\sf{Area \: = \: Length \: \times \: Breadth}}}$

$\implies {\sf{Breadth \: = \: \dfrac{Area}{Length}}}$

$\implies {\sf{Breadth \: = \: \dfrac{\cancel{285}}{\cancel{15}}}}$

$\implies {\sf{Breadth \: = \: 19 \: cm}}$

∴ Breadth is of 19 cm

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Put Values in formula :

★ $\large {\boxed{\sf{Area \: = \: Length \: \times \: breadth}}}$

$\implies {\sf{285 \: = \: 19 \: \times \: 15}}$

$\implies {\sf{285 \: = \: 285}}$

Hence Proved

Answer 2

Length of rectangle is 19 cm.

Explanation :-

★ Given :-

Area of the rectangle is 285 cm².

Breadth of the rectangle is 15 cm.

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★ To Find :-

We have to find the length of the rectangle.

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★ Solution :-

As, we have to find the length of the rectangle and breadth and area of the rectangle. So, if we put the value of breadth and area of the rectangle we can get the length.

A.T.Q

Area = Length * Breadth

Length = Area/Braedth

Length = 285/15

Length = 19 cm

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★ Verification :-

For, verification we will put value of length, breadth and area respectively. If our L.H.S is equal to R.H.S after putting value in formula our answer will be verified.

285 = 15 * 19

285 cm² = 285 cm²

L.H.S = R.H.S

Hence Verified