Question

The ratio of length of diagonals of a rhombus
is 4: 7. If its area is 350 cm, find its side.​

Answer 1

Answer:

area of diagnols is d1+d2/2 (means)

4x+7x/2=350

11x/2=350

11x=350×2

11x=700

x=700/11

x=63.33

so 4×63.33=

7×63.33=

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Answer 2

$\huge \bold \blue{ |H| |e| |l| |l| |o| }$

Let diagonals be → 4x and 7x

Area of rhombus =

$\frac{1}{2} \times d1 \times d2$

{ where d1 and d2 are diagonals }

area of rhombus is 350

$\frac{1}{2} \times 4x \times 7x = 350$

$2x \times 7x = 350$

$14 {x}^{2} = 350$

${x}^{2} = 4900$

$x = \sqrt{4900}$

$\huge \bold{x = 70}$

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