Area Caculation O/L Math short note
වර්ගඵලය කෙටි ස්ටහන
Its pretty easy to remember this. We actually have to only remember the equation for area calculation of circles.
For all the square shapes it width multiplied by height. Since the trapezoid dose not have equal widths we take the average. Triangle is half of square shapes. Note that above statement is just a way to remember and not the actual mechanics of calculations.
Also short note is of any use if you create one for yourself and try recreating a short note after some time without looking at the older one. Also its best to keep some time interval and do few questions periodically rather than doing all the questions of same type at once.
Refer following open research paper to understand effective methods of learning.
Try out following G.C.E O/L Mathematics past paper questions to practice application of area calculation equations. I would suggest not to do all at once, instead do one or two questions every week until it permenantly settled in your memory.
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