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a The scale on a plan is 1 : 2500. I (a) How long is a wall which is 3 cm in length on the plan? (b) What length would be represented on the plan for a window the actual lemgth of which is 2m ?​

Answer :

(A) 7500cm
(B) 0.08cm

The length of the wall which is 3 cm in length on the plan will be 7500cm.

How to compute the value?

From the information given, the scale on a plan is 1 : 2500. Therefore, the length of the wall will be:

= 2500 × 3

= 7500cm

The length that would be represented on the plan for a window the actual length of which is 2m will be:

= 200/2500

= 0.08

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