| John Charles Stone, James Franklin Millis - Geometry - 1916 - 278 pages
...measures can be expressed only approximately, although the proof is not attempted in this course. That is, **The area of a rectangle is equal to the product of its** altitude and base. 211. Corollary l. — The area of a square is equal to the square of its side. For,... | |
| William Betz - Geometry - 1916 - 507 pages
...the measurements are taken in inches? in yards? AREAS OF SIMPLE FIGURES 321. Fundamental Principle. **The area of a rectangle is equal to the product of its** base and altitude. Thus if a and 6 are the altitude and base respectively of the rectangle whose area... | |
| Edith Long, William Charles Brenke - Geometry, Plane - 1916 - 276 pages
...theorem proved. Exercise. Find the ratio of the rectangles whose dimensions are: 252. Theorem iII. **The area of a rectangle is equal to the product of its** base by its altitude. Note. By this we mean that the number of square units in the area is equal to... | |
| Edith Long, William Charles Brenke - Geometry, Plane - 1916 - 276 pages
...theorem proved. Exercise. Find the ratio of the rectangles whose dimensions are: ' 252. Theorem III. **The area of a rectangle is equal to the product of its** base by its altitude. Note. By this we mean that the number of square units in the area is equal to... | |
| Mathematics - 1917 - 257 pages
...an area of one square foot is equivalent to a square which is one square foot in area. 131. Theorem: **The area of a rectangle is equal to the product of its** base by its altitude. Given : RECT is a rectangle, m units in length and n units in width. To Prove:... | |
| Charles Ernest Chadsey - 1917 - 48 pages
...the number of squares in one row by the number of rows. This is often expressed in the shorter form: **The area of a rectangle is equal to the product of its** base and altitude. 1 Exercise 2 1. The length of a blackboard is 12 feet and its width is 4 feet. What... | |
| John Wesley Young, Frank Millett Morgan - Functions - 1917 - 548 pages
...prove that (a • 6) • c = o • (6 • c), when a, 6, c are positive integers. 4. Assuming that **the area of a rectangle is equal to the product of its** base by its altitude, show that ab = ba, when a, b are any positive real numbers. 5. By considering... | |
| Elmer Adelbert Lyman, Albertus Darnell - Algebra - 1917 - 503 pages
...the area, and a and ij are its two dimensions. Hence this formula is an abbreviation for the rule : **The area of a rectangle is equal to the product of its** two dimensions. EXERCISE 188. Express each of the following formulas as rules : 1. C= 2irf, where С... | |
| Herbert Ellsworth Slaught, Nels Johann Lennes - Geometry, Plane - 1918 - 310 pages
...only approximately. We then have : ill t 1 F^P l::i•. B-— £ AREA OF A RECTANGLE 406. THEOREM I. **The area of a rectangle is equal to the product of its** base and altitude. Proof. In case the sides of the rectangle are commensurable, the theorem is proved... | |
| William Ledley Vosburgh, William Frederick Gentleman - Mathematics - 1918
...14V, s 18. p = 45f, s 19. p = 3' 4", s = ? = ? = ? = ? = ? 21. Write the formula for the statement : **The area of a rectangle is equal to the product of its** base and height. (Use A, b and h.) For Exs. 22-39 use formula of Ex. 21. Write down an estimate for... | |
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