Because dollar bills are rectangles, which means they have four sides at 90 degree angles to each other, area is given by side A times side B: 15.5 cm X 6.5 cm = 100.75 cm
[object Object]
We need sound to send information to our ears and brain. Sound is produced when an object vibrates. The air molecules around the object also vibrate. As long as vibrating objects are not in a vacuum they produce sound. So watch your ears.
[object Object]
An object made by a human being.
How long is 20 cm
45 cm.
The same object that is 11.5 cm long
we know, volume of object cuboid = l * b* h volume = 20 * 5*2= 200 cm ^3
A head of what object? A human head is likely to be around 20 cm wide.
Nothing
20 * 12 * 2.54 = 609.6 cm
If an object at is 2.5 cm long is placed on the axis of a concave mirror that is 30 cm radius of curvature at a distance of 10 cm away from it, the position size and nature of the image formed would be 20 cm. This is a math problem.
Perimeter = 25+20+25+20 = 90 cm
About 20 Cm
a jumbo candle stick from target.
A 30 cm object might be a remote.