Figure P1.10 shows a frustum of a cone. Match each of the expressions (a) p(r1 1 r2)[h2 1 (r2 2 r1)2]1/2, (b) 2p(r1 1 r2), and (c) ph(r1 2 1 r1r2 1 r2 2)/3 with the quantity it describes: (d) the total circumference of the flat circular faces, (e) the volume, or (f) the area of the curved surface

The Legend of the Falling Apple - Newton was not the first to discover gravity. Newton discovered that gravity is universal. - Legend—Newton, sitting under an apple tree, realized that the force causing an Apple to accelerate downward is the same force causing the Moon to move in circular path around the earth - Newton was the first to realize that the Moon is constantly falling toward the earth Astronomy - Earliest Babylonian star catalogs are dating from about 1200 BCE B.Efore (the) C.ommon E.ra (BCE ) Or Before Christ (BC) Or Anno Domini (AD) (translated as In the year of the Lord) 2016 + 1200 = 3215 years ago Heliocentrism - Aristarchus of Samos (310 – 230 BC) presented the first known model that placed the S