You might have heard of the shape triangle and seen the objects in a triangle shape. But have you ever seen a triangle shape building? Your answer either will be no very rare, as rectangle and square-shaped buildings are more common. As rectangle or square shape buildings are easy to stack and organise, it's easy to design furniture and fixtures that can be fitted into the building. But did you know that some people get the building triangle-shaped as it provides great deep of strength? The triangle shaped building is becoming prominent for the design in certain parts or the skyscrapers. Especially in places, very earthquakes are very prominent triangle-shaped buildings that are made to provide strength.
Maths Olympiad is thought to be a very tough exam, but with the right guidance and the IMO mock test for class 7, you will get high grades.
Fun Activity
Here are some questions for you to answer:/p>
A. From a circular sheet of paper with a radius of 20cm, four circles are cut out of 5 cm each. What is the ratio of uncut to the cut portion?
1:3
4:1
3:1
4:3
B. 10% of 50% of 800?
40
36
32
48
Hint:
1. 3   2. 1
