MathDB

1

Part of 2010 Malaysia National Olympiad

Problems(3)

areas related to 2 squares - Malaysia 2010 OMK Bongsu / Juniors p1

Source:

10/26/2021
A square with side length 22 cm is placed next to a square with side length 66 cm, as shown in the diagram. Find the shaded area, in cm2^2. https://cdn.artofproblemsolving.com/attachments/5/7/ceb4912a6e73ca751113b2b5c92cbfdbb6e0d1.png
geometry
OMK 2010

Source: Malaysia National Olympiad 2010 Muda Category Problem 1

6/4/2011
Triangles OAB,OBC,OCDOAB,OBC,OCD are isoceles triangles with ∠OAB=∠OBC=∠OCD=∠90o\angle OAB=\angle OBC=\angle OCD=\angle 90^o. Find the area of the triangle OABOAB if the area of the triangle OCDOCD is 12.
geometrygeometry unsolved
area among rectangles - Malaysia 2010 OMK Sulung / Seniors p1

Source:

10/26/2021
In the diagram, congruent rectangles ABCDABCD and DEFGDEFG have a common vertex DD. Sides BCBC and EFEF meet at HH. Given that DA=DE=8DA = DE = 8, AB=EF=12AB = EF = 12, and BH=7BH = 7. Find the area of ABHEDABHED. https://cdn.artofproblemsolving.com/attachments/f/b/7225fa89097e7b20ea246b3aa920d2464080a5.png
geometryRectangles