The National Arithmetic on the Inductive System: Combining the Analytic and Synthetic Methods : Forming a Complete Course of Higher Arithmetic |
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Σελίδα 388
The lowest side , A B , is called the base of the triangle A B C , the side BC the
perpendicular , the longest side , A C , the hypothenuse , and the angle at B is a
right angle . Also , the line B C , being perpendicular to the base , is the altitude .
The lowest side , A B , is called the base of the triangle A B C , the side BC the
perpendicular , the longest side , A C , the hypothenuse , and the angle at B is a
right angle . Also , the line B C , being perpendicular to the base , is the altitude .
Σελίδα 390
A CONE is a solid having a circle for its base , and tapering uniformly to a point ,
called the vertex . The altitude of a cone is its perpendicular height , or a line
drawn from the vertex perpendicular to the plane of the base , as B C . The
diameter ...
A CONE is a solid having a circle for its base , and tapering uniformly to a point ,
called the vertex . The altitude of a cone is its perpendicular height , or a line
drawn from the vertex perpendicular to the plane of the base , as B C . The
diameter ...
Σελίδα 395
It is 16 feet in height , and 12 feet wide at its base . It contains 5 tons of hay , worth
$ 17 . 50 per ton . Mr . Jones has sold this hay to Messrs . Pierce , Row , Wells ,
and Northend . As the upper part of the stack has been injured , it is agreed that ...
It is 16 feet in height , and 12 feet wide at its base . It contains 5 tons of hay , worth
$ 17 . 50 per ton . Mr . Jones has sold this hay to Messrs . Pierce , Row , Wells ,
and Northend . As the upper part of the stack has been injured , it is agreed that ...
Σελίδα 426
The line A B , drawn from the angle A perpendicular to the base CD , is the
altitude of the triangle CAD . B An isosceles triangle is one which has two of its
sides equal ; as EFG . A scalene triangle is one which has its three sides unequal
; as ...
The line A B , drawn from the angle A perpendicular to the base CD , is the
altitude of the triangle CAD . B An isosceles triangle is one which has two of its
sides equal ; as EFG . A scalene triangle is one which has its three sides unequal
; as ...
Σελίδα 434
tance between the ends is 13 feet , and the sides of the base 23 , 34 , and 19
inches . Ans . 85 . 22 + square feet . 2 . Required the surface of a pentagonal
prism , whose length is 14 feet , and each side of whose base is 33 inches . Ans .
218 .
tance between the ends is 13 feet , and the sides of the base 23 , 34 , and 19
inches . Ans . 85 . 22 + square feet . 2 . Required the surface of a pentagonal
prism , whose length is 14 feet , and each side of whose base is 33 inches . Ans .
218 .
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acres added amount answer Arithmetic balance barrels base bill bought bushels called cent Change ciphers column common compound containing cords cost cube cubic decimal denominator denoting diameter difference discount Divide dividend division divisor dollars equal EXAMPLES exchange expressed factors feet figures four fourth fraction gain gallons give given grains Hence hundred inches interest least common length less loss mean measure method miles mixed months multiplicand Multiply NOTE obtain OPERATION paid payment period pounds premium present prime principal proportion purchased quantity quotient rate per cent ratio received Reduce remainder result root RULE scale share shillings side simple sold square subtract TABLE taken tens third thousand tons true units weight whole number worth write written yards