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    Weekend Geometry Puzzle - 10_08_24

    In the triangle ACE, CD is the perpendicular dropped from C to AE. The angle CAD is bisected by AB. Given: DAB = CAB = 10 Deg, BCE = 40 Deg. Question: What's the angle marked θ ? (angle BED)
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    Plane crash and He missed it

    Can.. A stall could initiate a spin. Happened with a 747SP China Airlines somewhere near SFO. Pilot error after an engine shutdown and luckily he manged to come out of it after falling nearly 20000ft with 5G vertical acceleration being recorded, Finally the pilot levelled the aircraft at 10,000...
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    රැඩිකල් මුස්ලිම් උන් නැත්තෙ ඇයි?

    Remember my favourite quote.... “When one person suffers from a delusion, it is called insanity. When many people suffer from a delusion it is called a Religion.”
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    Plane crash and He missed it

    It seems to be a spin or a spiral dive. Spiral is different to a spin but both cause sudden loss of height. With a spiral the angle of attack is low. This aircraft fell 17,000 ft in less than a minute. The blackbox has been recovered and they will find what caused it. Most likely its a control...
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    De novo gene synthesis by an antiviral Reverse Transcriptase.

    Bacteria encode hidden genes outside their genome. Since the genetic code was first deciphered in the 1960s, our genes have seemed like an open book. By reading and decoding our chromosomes as linear strings of letters, like sentences in a novel, we can identify the genes in our genome and learn...
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    සතියකින් මලකඩ කෑ ඔලිම්පික් පදක්කම්

    They will provide enough Brasso polish... :unsure: Bronze does oxidise and tarnish. PS: Even the Gold medals are only 1.1% Gold. It's mainly Silver. Also the medals are usually round just because they had to cut so many corners. :P
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    😮😮😮😮😮😮යුක්රේන හමුදා රුසියාවට ඇතුළුවේ. පුටීන් ගුගුලයි

    Putin was traveling incognito in the Ukranian countryside and stopped to talk with a local farmer. “How big is your land” asked Putin. Farmer responded proudly “From here to that big oak tree in the near distance is one side of my land.” “Same square distance all around.” Farmer then asked...
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    නාමල්ට මහින්ද, බැසිල් පමණයි.. පවුලේත් බහුතරය අහිමි වේ.. පවුලේ රැසක් උත්සවය වර්ජනයේ…

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    සුමනා නෙල්ලම්පිටිය සමුගනී

    R I P
  10. I

    Primary School Math Problem

    AL Gebra and Al Gorithm - both attributed to Muhammad ibn Musa al-Khwarizmi who was a prominent arab mathematician.
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    ලංකාවේ සුදු වදුරන්.

    They are in Lankagama.. I have seen them.
  12. I

    Primary School Math Problem

    It's for 8 year olds.... Not Grade 8.
  13. I

    Primary School Math Problem

    Just let hm know about the Golden Rule of Afghan Education.... "No amount of poor schooling can spoil a good child"
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    Primary School Math Problem

    Note: PS: 8 year olds haven't possibly got a knowledge about algebra. So can you think how a child could solve this? How do you solve this WITHOUT using algebra?
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    Primary School Math Problem

    This is suposedly a question for 8 year olds in Singapore. The two scales show the weights of the cubes & spheres. Find the weight of a sphere. PS: 8 year olds haven't possibly got a knowledge about algebra. So can you think how a child could solve this?
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    සිංහලු ජානමය අතින් වැඩියෙන් කිට්ටු කාටද?

    We all came from somewhere in Okavango Delta.... What's important is not where we came from but where we are heading. :ROFLMAO: PS: There isn't much literature on the comparison of Bengali DNA with ours. But there are studies on how related are we to other nationalities currently in SL. The...
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    සිංහලු ජානමය අතින් වැඩියෙන් කිට්ටු කාටද?

    Copied from an earlier comment I had done.... The Vedda group is significant. There was a previous study done using mtDNA (Mitochondrial DNA - Typically, humans inherit mitochondrial DNA from their mothers only) sampled across several townships, including Dambana and surrounds. It was found...
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    A.I. ‐ Humanity's Final Invention?

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    Got a part 2 in Bangladesh

    Now it's real Bungled Desh..... :unsure:
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    Orthocentre එකේ මෙහෙම සීන් එකක් තියෙනව නේද

    I am not a mathematician... I know that every traingle has an orthocentre as the three perpendicuars to the opposite sides always meet at a point. I am not so sure about a tetrahedron. There's somthing called the Monge point. The six planes through the midpoints of the edges of a tetrahedron...

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