Monday, July 20, 2026

Sec3 Sec4 Geometry (cyclic quad and angle at centre = 2x angle at circumference)

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____ my solution

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Application of Pythagoras Theorem

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P6 circles

_______ my solution 5r = 66-3x2 = 60 r =60/5=12 (a) Breadth of garden= (2+12)x2=28 m (b) area of path = 2x14 + 5 x 1/4 x 3.14 x (14x14 - 12x12) = 28 + 5x40.82 = 232.1 m2

Thursday, July 16, 2026

Numbers in relation to our lifetime ( Significance of numbers in our lives )


How many moments (seconds) have we lived? 🤔

For a centenarian, his/her heart would have beaten  3 153 600 000 times (read as "That number is three billion, one hundred fifty-three million, six hundred thousand.) ie. 3 billion times in 1 lifetime.

Internet speed is in the range of 500 Mbps (500 000 000 bits per second) or 10 Gbps (10 000 000 000 bits per second) 


Tuesday, July 14, 2026

Monday, July 13, 2026

Sunday, July 12, 2026

Saturday, July 11, 2026