Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" ... multiply the square of the diameter by ,7854 and the product will be- the area. "
The complete measurer: or, The whole art of measuring, containing the ... - Page 49
by Thomas Keith - 1817
Full view - About this book

British Timber Trees: A Practical Treatise on the Raising, Management, and ...

John Blenkarn - Forests and forestry - 1859 - 300 pages
...and multiply by the diagonal — half the product will be the area. To find the area of a circle : Multiply the square of the diameter by '7854, and the product will be the arae. SECTION V. ON THE MEASUREMENT AND VALUATION OF STANDING TIMBER. FORM OF FIELD-BOOK WITH TABLES,...
Full view - About this book

Commercial class book

Alfred Newsom Niblett - 1861 - 204 pages
...area. Or, divide the product of the whole circumference and diameter by 4, and the quotient will be the area. 2. Multiply the square of the diameter by -7854, and the product will be the area. 3. Multiply the square of the circumference by -07958, and the product will be the area. PROBLEM 10. To...
Full view - About this book

The Practical Model Calculator, for the Engineer, Mechanic, Machinist ...

Oliver Byrne - Engineering - 1863 - 600 pages
...15-75 = \ circumference. 5 3 = 5-25 = J diameter. 7875 3150 7875 82-6875 12 8-2500 82 feet 8 inches. Multiply the square of the diameter by -7854, and the product will be the area ; or, Multiply the square of the circumference by -07958, and the product will be the area. The following...
Full view - About this book

The Builder's Pocket Companion: Containing the Elements of Building ...

A. C. Smeaton - Building - 1867 - 314 pages
...circumference by half the diameter, and the product will be the area. 2. When the diameter is given. RULE. Multiply the square of the diameter by .7854, and the product will be the area. 3. When the circumference is given. RULE. Multiply the square of the circumference by .07958, and the...
Full view - About this book

Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

Moffatt and Paige - 1879 - 506 pages
...Multiply half the circumference by half the diameter, and the product will be the area required. (b) Multiply the square of the diameter by 7854, and the product will be the area. Proof. — These rules can only be fully proved by Trigonometry. It may, however, be observed that...
Full view - About this book

Practical Carpentry: Being a Guide to the Correct Working and Laying Out of ...

Frederick Thomas Hodgson - Carpentry - 1883 - 174 pages
...circumference by half the diameter, and the product will be the area. 2. When the diameter is given. Rule. — Multiply the square of the diameter by 7854, and the product will be the area, or the diameter by the circumference and divide by 4. 3. When the circumference is given. To Find the...
Full view - About this book

The Iron-founder: A Comprehensive Treatise on the Art of Moulding

Simpson Bolland - 1893 - 420 pages
...OPERATION. Decimal multiplier 31831 Circumference 45 159155 127324 TO FIND THE AREA OF A CIRCLE. Rule. — Multiply the square of the diameter by .7854 and the product will be the area. Note. — The square of any number is that number multiplied by itself, as .12 x 12 — 144, etc. Example....
Full view - About this book

"The Iron Founder" Supplement: A Complete Illustrated Exposition of the Art ...

Simpson Bolland - Iron founding - 1893 - 420 pages
...45 159155 127324 Diameter required 1 4.3 2 3 9 5 feet, ans. TO FIND THE AREA OF A CIRCLE. Rule. — Multiply the square of the diameter by .7854 and the product will be the area. Note. — The square of any number is that number multiplied by itself, as 12 x 12 = 144, etc. Example....
Full view - About this book

Naval Architect's & Shipbuilder's Pocket-book ...: With a Section on Aeronautics

Clement Mackrow - Naval architecture - 1916 - 766 pages
...Y = the required ordinate, then y = VB2-xa - E + v. 11. To find the area of a circle. EULE (I). — Multiply the square of the diameter by '7854, and the product will equal the area, nearly. Thus if A = the area, D = the diameter, then A = D2 X '7854. BULK (TI). —...
Full view - About this book

Industrial Engineering: A Handbook of Useful Information for ..., Volume 1

William Miller Barr - Engineering - 1918 - 650 pages
...of a circle is equal to half the circumference multiplied by the radius, or half the diameter. Rule 2. Multiply the square of the diameter by .7854, and the product will be the area; or, multiply the square of the circumference by .07958, and the product will bo the area. NOTE. —...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF