Question

a square plot of land of side 80m is represented on a scale drawing by a square whose perimeter is 16 cm what is the scale used

Answer 1

Answer: 1 : 2 000

Step-by-step explanation:

Perimeter of a square of side 1 cm is given by 4l cm.

For square on scale drawing 4l = 16

L = 4

Side of square on scale drawing represent 80 m on ground

4cm on scale drawing represent 80m on ground.

1 cm on scale drawing represents

80 /4

= 20x100 cm = 2 000 cm.

Hence scale used is 1 : 2 000

Answer 2

Answer:

perimeter will be 80×4=320 m = 32000cm

so scale will be - 16/32000cm

= 1/2000 will be the scale

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