(B) The area of a square can be calculated using its side length as $Area = side^2$. However,if the length of the diagonal $(d)$ is given,the area is

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(B) The area of a square can be calculated using its side length as $Area = side^2$. However,if the length of the diagonal $(d)$ is given,the area is calculated as $Area = \frac{d^2}{2}$. Therefore,the missing term is the diagonal.

Class 9 Mathematics Heron’s Formula Mix Examples - Heron’s Formula

Easy

Area of a square $= \frac{(\ldots \ldots . .)^{2}}{2} .$

A
side
B
diagonal
C
length
D
breadth

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Class 9

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Heron’s Formula

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Mix Examples - Heron’s Formula

Find the area of a triangle,two sides of which are $15\,cm$ and $28\,cm$ and the perimeter is $84\,cm$. (in $,cm^2$)

Medium

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Each side of an equilateral triangle measures $10\,cm$. Find the semi-perimeter of the triangle. (in $,cm$)

Easy

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The sides of a triangle are $56 \ cm$,$60 \ cm$,and $52 \ cm$ long. Then the area of the triangle is (in $cm^2$)

Medium

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The perimeter of an equilateral triangle is $60 \, m$. The area is

Easy

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$PQRS$ is a square. If $PR = 10 \, cm$,then the area of $PQRS = \dots \, cm^2$.

Medium

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Area of a square $= \frac{(\ldots \ldots . .)^{2}}{2} .$

Similar Questions

Find the area of a triangle,two sides of which are $15\,cm$ and $28\,cm$ and the perimeter is $84\,cm$. (in $,cm^2$)

Each side of an equilateral triangle measures $10\,cm$. Find the semi-perimeter of the triangle. (in $,cm$)

The sides of a triangle are $56 \ cm$,$60 \ cm$,and $52 \ cm$ long. Then the area of the triangle is (in $cm^2$)

The perimeter of an equilateral triangle is $60 \, m$. The area is

$PQRS$ is a square. If $PR = 10 \, cm$,then the area of $PQRS = \dots \, cm^2$.

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