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4. Meera went to a square park of sides 100 m. Sheone complete round on itsboundary. What is the distance covered by her?​

Answer»

ANSWER:

<klux>400</klux> \: meter.

Step-by-step EXPLANATION:

We \:  are  \: given , \\ ↬\: A \ \:  side \:  \:  of  \:  \: a \:   \: square \:  \:  park = 100  \: m \\ ↬ \: Meena   \: \: completed  \:  \: one \:  \:  round \:   \: on \:  \:  it.

↬ \:  The \:  distances  \: covered  \: by  \: meena \:  =  \: Square \:  park's \:  Perimeter  \\  \\  ⇒ As   \: \: We  \:  \: have \:   \: to \:   \: find \:   \: the   \: \: distance \:   \: covered \:   \: by \:   \: her, \:  \:  We  \:  \: have  \:  \: to \:  \:  find \: \\ the  \:  \: perimeter  \:  \: of \:  \:  the \:  \:  park.

We  \: know  \: that, \\  \\  ⇒Perimeter  \:  \: of  \:  \: The  \:  \: Square  \:  \: Formula  \:= length  \:  \: of \:  \:  4 \:  \:  sides \\\: \:\: \: \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  \:\:  \:  \: \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: = 4 \times side

∴ The \:   \: distance  \:  \: covered  \:  \: by \:  \:  Meena =( 4 \times 100) \: m \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: \:  \:  \:  = 400 \: m

Answer: 400 m.

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