some interesting facts about maths(10)
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Answer:
1. Mount Everest weighs an estimated 357 trillion pounds.
2. In a classroom of 23 people, there’s a 50% chance two of them have the same birthday. In a room of 75 people, the probability increases to 99%. It’s called the Birthday Problem, and here’s the solution!
3. A baseball diamond is a perfect rhombus. A rhombus is a parallelogram with opposite equal acute angles, opposite equal obtuse angles and four equal sides.
4. If you’re planning a road trip, Texas is the place to be! Texas is the state with the most roads in the United States, with 679,917 total miles of lanes to get lost on.
5. Forests cover 31% of the world’s land surface.
6. In the United States, 58 million pounds of chocolate are bought in the week before Valentine’s Day.
7. Squirrels can run at about 20 miles per hour.
8. Usain Bolt, one of the fastest runners alive, can sprint around 28 miles per hour.
9. A cheetah can run up to 76 miles per hour, and can go from 0 to 68 miles per hour in less than three seconds.
10. The best pro baseball pitchers throw at around 100 miles per hour.
Answer:
1. Zero ( 0 ) is the only number which can not be represented by Roman numerals.
2. What comes after a million, billion and trillion? A quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion and undecillion
3. Plus (+) and Minus (-) sign symbols were used as early as 1489 A.D
4. 2 and 5 are the only primes that end in 2 or 5
5. An icosagon is a shape with 20 sides.
6. Among all shapes with the same perimeter a circle has the largest area.
7. Among all shapes with the same area circle has the shortest perimeter
8. 40 when written "forty" is the only number with letters in alphabetical order, while "one" is the only one with letters in reverse order
9. 'FOUR' is the only number in the English language that is spelt with the same number of letters as the number itself
10. From 0 to 1,000, the letter "A" only appears in 1,000 ("one thousand")
Step-by-step explanation:
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