Exercises in ArithmeticGinn & Company, 1887 |
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Σελίδα 242
... radius , and a line drawn through the centre and limited by the circumference is called a diameter ; therefore a diameter is equal in length to two radii . A Θ The circumferences of two circles have the same ratio to each other as their ...
... radius , and a line drawn through the centre and limited by the circumference is called a diameter ; therefore a diameter is equal in length to two radii . A Θ The circumferences of two circles have the same ratio to each other as their ...
Σελίδα 243
... radius and circumference , having given : 268. Area 2664 sq . ft . 269. Area 6237 sq . yds . 270. Area 6 A. 271. Find the area of a circle if the diameter is 18 yds . 272. Find the diameter of a circle if the area is 616 sq . in . 273 ...
... radius and circumference , having given : 268. Area 2664 sq . ft . 269. Area 6237 sq . yds . 270. Area 6 A. 271. Find the area of a circle if the diameter is 18 yds . 272. Find the diameter of a circle if the area is 616 sq . in . 273 ...
Σελίδα 246
... radius of a circle is equal to the radius of every inscribed regular polygon , and to the apothem of every circum- scribed regular polygon . Find the area of a sector , having given : 304. Radius 14 in . , angle at centre 45 ° . 305 ...
... radius of a circle is equal to the radius of every inscribed regular polygon , and to the apothem of every circum- scribed regular polygon . Find the area of a sector , having given : 304. Radius 14 in . , angle at centre 45 ° . 305 ...
Σελίδα 247
... radius of the circle is 42 yds . Find the length of the arc . 310. The angle of a sector is 60 ° , and the chord joining the ends of the arc is 14 ft . Find the area of the sector . 311. In a circle whose radius is 18 yds . 2 ft ...
... radius of the circle is 42 yds . Find the length of the arc . 310. The angle of a sector is 60 ° , and the chord joining the ends of the arc is 14 ft . Find the area of the sector . 311. In a circle whose radius is 18 yds . 2 ft ...
Σελίδα 248
... radius is reduced to one - fifth of its original value ? The radius of a circle is 3 ft . Find : 328. The radius of a circle 25 times as large . 329. The diameter of a circle 3 times as large . Cube the following numbers : 330. 4 ; 7 ...
... radius is reduced to one - fifth of its original value ? The radius of a circle is 3 ft . Find : 328. The radius of a circle 25 times as large . 329. The diameter of a circle 3 times as large . Cube the following numbers : 330. 4 ; 7 ...
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acres altitude angle annum apothem average barrel base bill bought breadth bushels carpet cent stock cents per pound cents per square circle circumference cistern commission compound interest containing cube root cubic feet cubic foot cubic inches cylinder diagonal diameter discount distance Divide dollar dozen equal Find the amount Find the area Find the cost Find the value flour fraction frustum gain per cent gallons gals grocer height horses hypotenuse income insured invested least common multiple length long tons merchant miles Multiply note dated ounces paid payable piece places of decimals polygon premium profit quart radius received Reduce regular polygon remainder rhombus right triangle selling side simple interest Simplify slant height sold Square pyramid square root square yard Subtract sugar tons weighs worth yard wide yield
Δημοφιλή αποσπάσματα
Σελίδα 79 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 242 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.
Σελίδα 80 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 80 - CUBIC MEASURE 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 248 - ... as the squares of their radii, or as the squares of their...
Σελίδα 82 - The circumference of a circle is divided into 360 equal parts, called degrees ; each degree into 60 minutes ; each minute into 60 seconds.
Σελίδα 260 - A SPHERE is a solid, or volume, bounded by a curved surface, all points of which are equally distant from a point within, called the centre.
Σελίδα 35 - What does he gain or lose in his net income ? 70. 1. If $1350 at simple interest amount to $1570.50 in 1 year 8 months, find the rate per cent. 2. If by selling wine at $3 a gallon I lose 6 per cent, at what price must I sell it to gain 17J per cent? 3. Find the compound interest on $ 750 for 5 years at 2J per cent.
Σελίδα 242 - It follows that the ratio of the circumference of a circle to its diameter is the same for all circles.
Σελίδα 78 - MEASURE 12 inches (in.) = 1 foot (ft). 3 feet = 1 yard (yd.). 5J yards or Щ feet = 1 rod (rd.) . 320 rods = 1 mile (mi.). SURFACE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq.