Question

On a map of scale 1:20,000 the area of a lake is 16cm2.What is the area of the real lake in m2?

Answer 1

Answer:

Given scale on a map is 1 : 20000

1 cm in map = 20000 cm original

Lake Area of in the map

= 1.6 cm²

= 1.6 × cm × cm

= 1.6 × 20000 cm × 20000 cm

= 1.6 × 2 × 2 × 10^8

= 6.4 × 10^8 cm²

Therefore ,

Actual area of the lake = 6.4 × 10^8

sq cm

I hope this helps you.

Answer 2

Answer:32 m2

Step-by-step explanation:

Ratio = 1;20,000

On the map, area = 16 cm2

Therefore, the real size of the lake is 16 * 20,000

= 3,20,000 cm2

= 32 m2