Search found 7 matches
Search found 7 matches • Page 1 of 1
- Sun Jun 28, 2020 10:33 pm
- Forum: National Math Olympiad (BdMO)
- Topic: BdMO-2019/4 secondary
- Replies: 0
- Views: 109
In this figure ABCD is a trapezium where $AB||CD$. $P, Q,R, S$ are the midpoint of $AB,BD,DC,CA$ respectively. $AC$ and $BD$ intersect at point $O$. Area of $\triangle AOB = 2019$ and area of $\triangle COD = 2020$ .What is the area of quadrilateral $PQRS$?
- Thu Dec 14, 2017 7:05 pm
- Forum: Divisional Math Olympiad
- Topic: BDMO REGIONAL 2017
- Replies: 3
- Views: 5265
In a diagram, two surfaces are partially superimposed in each other. The perimeter of one surface is 201 units and the area is 201 square units. The perimeter of the other surface is 710 units and the area is 710 square units. What is the difference of the area of the two surfaces that is not black ...