School Arithmetic for Grammar GradesAmerican Book Company, 1907 - 371 σελίδες |
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Σελίδα 130
Samuel Hamilton. AREAS Finding the area of a right triangle . 1. Find the area of a right triangle whose base is 4 yards and whose altitude is 3 yards . Altitude 4yd . Diagonal Base Observe : 1. That the diagonal divides the rectangle ...
Samuel Hamilton. AREAS Finding the area of a right triangle . 1. Find the area of a right triangle whose base is 4 yards and whose altitude is 3 yards . Altitude 4yd . Diagonal Base Observe : 1. That the diagonal divides the rectangle ...
Σελίδα 131
... triangles . 2. That the area of each triangle is equal to of 8 × 3 × 1 sq . in . , and the area of the parallelogram is equal to , or once the prod- Diagonal 8 in . uct of the base and altitude ; that is , 8 × 3 × 1 sq . in . , or 24 sq ...
... triangles . 2. That the area of each triangle is equal to of 8 × 3 × 1 sq . in . , and the area of the parallelogram is equal to , or once the prod- Diagonal 8 in . uct of the base and altitude ; that is , 8 × 3 × 1 sq . in . , or 24 sq ...
Σελίδα 132
... triangles . Observe : 1. That the area of the trapezoid is equal to the area of its two triangles ABC and BACD . 2. That the area of triangle ABC equals of of 12 × 8 × 1 sq . in . 3. That the area of the triangle ACD equals 4. That the ...
... triangles . Observe : 1. That the area of the trapezoid is equal to the area of its two triangles ABC and BACD . 2. That the area of triangle ABC equals of of 12 × 8 × 1 sq . in . 3. That the area of the triangle ACD equals 4. That the ...
Σελίδα 133
... triangles . 2. That the area of one triangle equals of 30 × 8 x 1 sq . in . 3. That the area of the other triangle equals of 30 x 12 x sq . in . 30 12in S 4. That the area of the trapezium equals of 30 × 20 × 1 sq . in . , or sq . in ...
... triangles . 2. That the area of one triangle equals of 30 × 8 x 1 sq . in . 3. That the area of the other triangle equals of 30 x 12 x sq . in . 30 12in S 4. That the area of the trapezium equals of 30 × 20 × 1 sq . in . , or sq . in ...
Σελίδα 134
... triangles whose bases form the circum- ference . 2. That the radius of the circle is equal to the altitudes of the triangles . 3. That the area of the circle is equal to the areas of all the triangles , or of the sum of their bases ...
... triangles whose bases form the circum- ference . 2. That the radius of the circle is equal to the altitudes of the triangles . 3. That the area of the circle is equal to the areas of all the triangles , or of the sum of their bases ...
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30 days acres altitude angle annual barrels base bill board foot bonds bought brokerage bushel buys cash cent Chicago commission contains cube cubic foot cubic inches cylinder decimal point denominator deposit diameter discount divided dividend divisor dollar draft equal equation Estimate the number factors farm Find the amount Find the area Find the cost Find the number Find the value foot fractional units gain gallons gram improper fraction income indorsed integer invested J. M. Gordon Joseph Horne Co length long ton merchant meridian meter metric system miles mills months paid payable payment Pittsburg pounds premium prime meridian principal profit promissory note pupils purchased quotient ratio received selling Sept share side sold solid square feet square yard subtracted surface tons triangle unit of measure weight Written
Δημοφιλή αποσπάσματα
Σελίδα 129 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Σελίδα 328 - MONEY. 10 mills = 1 cent. 10 cents = 1 dime. 10 dimes = 1 dollar. 10 dollars = 1 eagle.
Σελίδα 327 - Troy Weight 24 grains = 1 pennyweight. 20 pennyweights = 1 ounce. 12 ounces = 1 pound.
Σελίδα 218 - Find the amount of the principal to the time of the first payment, and from the amount subtract the first payment.
Σελίδα 12 - Multiplication is the process of taking one number as many times as there are units in another.
Σελίδα 326 - Square Measure 144 square inches = 1 square foot 9 square feet = 1 square yard 30J square yards = 1 square rod 160 square rods = 1 acre 640 acres = 1 square mile Cubic Measure 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard 128 cubic feet...
Σελίδα 328 - OF TIME. 60 Seconds = 1 Minute 60 Minutes =± 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Σελίδα 132 - 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 279 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Σελίδα 116 - ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference.