Mensuration for elementary and middle class schools1875 - 85 sider |
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Side 29
... circular , until at last the straight sides and the corners are no longer perceptible , and the figure is practically a circle . The rule for finding the area of a circle is only an adaptation of that for finding the area of a poly- gon ...
... circular , until at last the straight sides and the corners are no longer perceptible , and the figure is practically a circle . The rule for finding the area of a circle is only an adaptation of that for finding the area of a poly- gon ...
Side 30
... circular figures , this number constantly occurs , and is of the greatest importance , so that you must be careful to remember it , and not have to search for it in your book every time it is wanted . But as it would be troublesome to ...
... circular figures , this number constantly occurs , and is of the greatest importance , so that you must be careful to remember it , and not have to search for it in your book every time it is wanted . But as it would be troublesome to ...
Side 32
... circular garden there are required 2351⁄2 yds . of wire fencing ; what is the area of the garden ? 29. A circular field contains exactly one acre ; find the length of the hedge which encloses it . 30. A circular meadow is 525 ft . in ...
... circular garden there are required 2351⁄2 yds . of wire fencing ; what is the area of the garden ? 29. A circular field contains exactly one acre ; find the length of the hedge which encloses it . 30. A circular meadow is 525 ft . in ...
Side 33
Henry Lewis (M.A.). 32. A large circular iron plate , 12 ft . in radius , weighs 15 lb. for every square inch in its surface ; find the weight . 33. A circular gravel walk contains exactly 100 sq . yds . , and its inner edge is 14 yds ...
Henry Lewis (M.A.). 32. A large circular iron plate , 12 ft . in radius , weighs 15 lb. for every square inch in its surface ; find the weight . 33. A circular gravel walk contains exactly 100 sq . yds . , and its inner edge is 14 yds ...
Side 35
... circular , and every horizontal section of it ( ie . , every section which is parallel to the base , as in fig . A ) is circular also , the circle becoming larger the nearer the section is made to the base of the cone . But an ob- lique ...
... circular , and every horizontal section of it ( ie . , every section which is parallel to the base , as in fig . A ) is circular also , the circle becoming larger the nearer the section is made to the base of the cone . But an ob- lique ...
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Mensuration for Elementary and Middle Class Schools, Etc Henry Lewis (Principal of Culham College, Oxon.) Uten tilgangsbegrensning - 1875 |
Vanlige uttrykk og setninger
16 Maps acres ATLAS base breadth calculating called centre chains circle circular circumference cloth lettered consisting of 32 contains exactly convex surface cube cubic foot cubic ft diagonal diameter dimensions divided ellipse Euclid EXERCISES Fcap feet field find its area find its solidity find its volume find the area find the cost find the length Find the solid find the volume frustrum GEOGRAPHY Glasgow Gunter's chain heptagon Herriot Hill hypothenuse inscribed LESSON LL.D miles multiply half number of sides ordinates parallel parallelopiped pentagonal perpendicular distance perpendicular height Physical Map pickets poles radius rectangular regular polygon rhomboid rhombus right angle right-angled triangle rule sector segment side measures slant height small faces solid content solid figure sphere is equal square and rectangle square foot square pyramid square yard straight line surveyor trapezium trapezoid triangular prism vertex wedge World-shewing
Populære avsnitt
Side 10 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Side 29 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Side 23 - RULE. From half the sum of the three sides, subtract each side separately; multiply the half sum and the three remainders together, and the square root of the product will be the area required.