Math, asked by alpna34, 1 year ago

find the area of a square whose perimeter is 26 cm

Answers

Answered by zvedy
4
perimeter of a square=4a
givem perimeter=26cm
4a=26cm
den a=26/4=6.5cm
now area of square=a^2
= 2.6^2
=42.25cm^2
hope it helps..
Answered by jhanvi2383
2

perimeter \: of \: square = 4 \times side \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: 26cm = 4 \times sides \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \frac{26}{4} cm = side \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \frac{13}{2} cm = side \\  \\  \\  area \: of \: square =  {side}^{2}  \\ \\   \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  { \frac{13}{2} }^{2} \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   =  \frac{169}{4}  {cm}^{2}
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