the scale on the map is 1: 20000. The area of a lake on a map is1.6 square centimetres. give the actual area of the lake

c

step-by-step explanation:

could you provide figure.

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.

my dear correct answer is option number 3