Scales Flashcards

1
Q

If the scale on a plan drawing is 1cm = 25cm,

How long does a line measuring 5cm represent?

A

1cm = 25cm
so 5cm = 5 x 25cm
= 125cm (or 1.25m)

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2
Q

If the scale on a plan drawing is 4cm = 1m,

How long does a line measuring 12cm represent?

A

4cm = 1m

so 12cm = 3 x 1m = 3m

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3
Q

If the scale on a plan drawing is 1cm = 100cm,

How long does a line measuring 6.4cm represent?

A

1cm = 100cm
so 6.4cm = 6.4 x 100cm
= 640cm (or 6.4m)

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