Question

13. A map has a scale of 2 cm to 3 km.
(iii) If the actual area of a lake is 81 km?, calculate
its area on the map.

Answer 1

Scale = 1cm:3km

Therefore area of lake = 81Km

1:3 = x:81

= 27:81

Therefore the area on map is 27cm

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Answer 2

Answer:

121.5 is answer.

Step-by-step explanation:

81 / 2 = 40.5

40.5 *3 = 121.5