Mensuration for elementary and middle class schools1875 - 85 σελίδες |
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Σελίδα 18
... round the field ? 15. The side of a square is 1000 feet ; what is the length of its diagonal ? 16. What is the height of an equilateral triangle , each of whose sides measures 20 feet . 17. The base of an isosceles triangle measures 50 ...
... round the field ? 15. The side of a square is 1000 feet ; what is the length of its diagonal ? 16. What is the height of an equilateral triangle , each of whose sides measures 20 feet . 17. The base of an isosceles triangle measures 50 ...
Σελίδα 32
... round 250 times in travelling half a mile ; what is its diameter ? 27. A locomotive engine is travelling at the rate of 60 miles an hour , and the radius of its driving wheel is 3 ft .; how many times does it turn round in a second ? 28 ...
... round 250 times in travelling half a mile ; what is its diameter ? 27. A locomotive engine is travelling at the rate of 60 miles an hour , and the radius of its driving wheel is 3 ft .; how many times does it turn round in a second ? 28 ...
Σελίδα 33
... round in going 2 miles ? LESSON XII . - SECTORS AND SEGMENTS OF CIRCLES . Η G K A portion ( HGK ) of the circumference of a circle is called an arc . A figure which is bounded by two radii and an arc of a circle is called a sector , as ...
... round in going 2 miles ? LESSON XII . - SECTORS AND SEGMENTS OF CIRCLES . Η G K A portion ( HGK ) of the circumference of a circle is called an arc . A figure which is bounded by two radii and an arc of a circle is called a sector , as ...
Σελίδα 47
... round the sun in elliptical orbits , and that the path of a projectile , whether it be a bullet shot from a rifle , a ball from a cannon , or a stone thrown from the hand , is a parabola . EXERCISES ( O ) . 1. A cone is 30 ft . high ...
... round the sun in elliptical orbits , and that the path of a projectile , whether it be a bullet shot from a rifle , a ball from a cannon , or a stone thrown from the hand , is a parabola . EXERCISES ( O ) . 1. A cone is 30 ft . high ...
Σελίδα 48
... round in all direc- tions , as a ball or globe . Of course you are all able to recognise a sphere by its shape the moment you look at it ; but , in order to prevent confusion and mistake , it is necessary , as in the figures we have pre ...
... round in all direc- tions , as a ball or globe . Of course you are all able to recognise a sphere by its shape the moment you look at it ; but , in order to prevent confusion and mistake , it is necessary , as in the figures we have pre ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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
Δημοφιλή αποσπάσματα
Σελίδα 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.
Σελίδα 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.
Σελίδα 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.