Question

The breath of a rectangle is 8 cm and 17 the diagonal of cm find the area of rectangle and perimeter

Answer 1

Answer:

Perimeter is 46 cm

Length is 15 cm

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Answer 2

${AB}^{2} + AD^{2} = BD ^{2}$

${x}^{2} + {8}^{2} = {17}^{2}$

${x}^{2} = 289 - 64$

${x}^{2} = 225$

$x = \sqrt{225}$

$x = 15$

$Area \: of \: Rectangle \: = l×b \\ = 15 \times 8 \\ = 120 \: {cm}^{2}$

$perimeter = 15 + 15 + 8 + 8 \\ = 46 \: cm$