A map has a scale of 1:125 000. What length on the map represent an MRT Track that is 10 km long?

2 answers:

8 0

A scale of 1:125000 means that for any length that is on the map, the real life length is 125000 times as long. This also means that for any length in real life, the length on the map is 1/125000 times as long.

So, a real life length of 10km will be represented by a map length of 10km/125000 = 0.00008km = 8cm

padilas [110]3 years ago

7 0

When you have to find the length of map to the actual distance, you will multiply. and if its the other way around as in finding the distance on the map, you will divide. in this case, we will be diving as it is asking the distance on the map.

a scale will always have the unit centimeter, so we will be converting 10km into centimeter.

10km = 1000000cm

1000000/125,000 = 8cm

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1 year ago

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svetlana [45]

Answer:

4.5 inches

Step-by-step explanation:

We are given the formula:

V = $\pi r^{2}h$

Plug in the the radius (3) and volume (127.23):

127.23 = $3.14(3)^{2} h$

Square the 3 :

127.23 = $3.14(9)h$

Multiply the pi & volume:

127.23 = 28.26h

Divide both sides by 28.26:

127.23 ÷ 28.26 = 28.26h ÷ 28.26

h = 4.5021231...

I hope this helps!

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3 years ago

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laiz [17]

Answer:

$AB=12\sqrt{3}\ cm$

Step-by-step explanation:

If AB is tangent to the circle, then angle ABO is right angle and triangle AOB is special $30^{\circ}-60^{\circ}-90^{\circ}$ triangle. In this triangle, the leg that is opposite to the angle of 30° is half of the hypotenuse. Thus,