If you consider that there on about 6 billion (6,000,000,000) people, give or take, on the Earth, and you assume an average sleep time of 8 hours, then two thirds of the population are up at any one time. This is about 4 billion people.
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because 2 and 2 jest equal 4 B= Because it's just common sense!! Put all you fingers down....now put 2 up!! How many are up right now? 2!!! Now put 2 more up!! Now how many are up? 4!! 2 fingers plus 2 fingers equals 4!!
Up to six.
Two right angles add up to 180 degrees because a right angle is 90 degrees
A trapezoid can have up to two right, 90 degree angles for it still to be classified as a trapezoid.
A square has 4 right angles that add up to 360 degrees