CBSE Board mathematics examination
Smita Kalra Questions from all chapters are asked in the board examinations. You can refer to the blue ... A chord of a circle of radius 14 cm subtends an angle of 120o at the centre. Find the area of the corresponding minor segment of the circle.
How do we know the value of PI ?
what if you had 4,000,000,000,000,000,000 points in that circle. In reality that is only a few cm ... How do you come up with this stuff? 70% by volume? by mass? Although I have limited knowledge in this area I do know a few basic things. we can see ...
Can bird poop crack a windshield?
A woman called in to Car Talk to say that she believes the windshield on her parked car was cracked from falling bird poop. Is this possible? Let's find out. If you ... contact circle to a radius of perhaps 0.001 meters. Such a small contact area could ...
Can Bird Poop Crack a Windshield?
If you would like to listen to this actual segment, here is the link to the Car Talk clip. What starting info do ... “poop”? That is my preferred word for the bird bomb. Ok, so how big would this be? If the poop is spread out in a circle of 4 inches ...
RP 9: Error propagation and the distance to the Sun
Suppose I want to determine the surface area of a rectangular table. To do this, I measure the ... would be: You can see that the distance to the moon depends on the angle measurement AND the radius of the Earth. Combining these two formulas: For this ...