A rectangle has an area of 63 ${cm}^{2}$ and its breadth is 7 cm. What will be its length?

6 cm

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9 cm

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5 cm

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13 cm

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Solution

The correct option is B 9 cm
$The area of the rectangle = length \times breadth Given Area = 63 {cm}^{2} Breadth = 7 cm Hence, 63 {cm}^{2} = Length \times Breadth \Rightarrow 63 {cm}^{2} = Length \times 7 c m \Rightarrow Length = 63 \div 7 = 9 cm$

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A rectangle has an area of 63 cm2 and its breadth is 7 cm. What will be its length?

The correct option is B 9 cmThe area of the rectangle =length×breadth GivenArea=63 cm2Breadth=7 cm Hence,63 cm2=Length×Breadth⇒63 cm2=Length×7 cm⇒Length=63÷7=9 cm

A rectangle has an area of 63 ${cm}^{2}$ and its breadth is 7 cm. What will be its length?

The correct option is B 9 cm
$The area of the rectangle = length \times breadth Given Area = 63 {cm}^{2} Breadth = 7 cm Hence, 63 {cm}^{2} = Length \times Breadth \Rightarrow 63 {cm}^{2} = Length \times 7 c m \Rightarrow Length = 63 \div 7 = 9 cm$