Question

13If a 5-meter flagpole casts a 10-meter shadow, how tall is a nearby house which iscasting a 20-meter shadow?

Answer 1

We have a proportion here.

The

5-meter flagpole casts a 10-meter shadow. Then, 10/5 = 2. It means the shadow is double the object's height.

So, a 20-meter shadow divided by 2 = 10 meters.

So the nearby house is 10 meters tall.