 | Herbert Ellsworth Slaught, Nels Johann Lennes - 1917 - 674 σελίδες
...triangle whose side is s. Show the result to be - V3. 4 flolutinn From Example 10, the altitude is The area of a triangle is equal to one half the product of the base and the altitude. Hence Area = - • sv/iJ = *" Vs. 22 4 14. If the area of an equilateral... | |
 | Alfred Monroe Kenyon, William Vernon Lovitt - 1917 - 384 σελίδες
...angles should check within 3'. 107. Area of a Triangle. It is shown in plane geometry • that the area of a triangle is equal to one half the product of any side and the perpendicular from the opposite vertex upon that side. If two sides and their included... | |
 | Arthur Schultze, Frank Louis Sevenoak - 1918 - 486 σελίδες
...and 5 in. and the angle included by them equal 45°. Find the area. PROPOSITION V. THEOREM 355. The area of a triangle is equal to one half the product of its base and altitude. Given &ABC, having base 6 and altitude h. To prove A ABC = £ 6 x h. Proof. Construct... | |
 | Bruce Mervellon Watson, Charles Edward White - 1918 - 276 σελίδες
...other pairs. Each triangle is what part of the parallelogram having the same base and altitude ? The area of a triangle is equal to one half the product of its base and altitude, expressed in the same kind of units. 7. The following triangles are drawn to a scale.... | |
 | Herbert Ellsworth Slaught - 1918 - 344 σελίδες
...Prove the above theorem using the ad- £. joining figure. \h AREA OF A TRIANGLE 411. THEOREM III. The area of a triangle is equal to one half the product of its base and altitude. EB Given A ABC with base AB = b and altitude CE = h. . . . i To prove that area A ABC... | |
 | William Ledley Vosburgh, William Frederick Gentleman - 1918 - 232 σελίδες
...parallelogram that has the same base and height as the triangle? 3. Write the formula for the statement : The area of a triangle is equal to one half the product of its base and height. (Use A, b and h.) For Exs. 4-9 use the formula of Ex. 3. Estimate each result first. 4.... | |
 | Raleigh Schorling, William David Reeve - 1919 - 510 σελίδες
...conclusion does the evidence of Ex. 13 support? The preceding exercises furnish evidence to/ show that the area of a triangle is equal to one half the product of its base and altitude. This law may be written in the form of the following formula: base of the trapezoid is... | |
 | Herbert Ellsworth Slaught, Nels Johann Lennes - 1919 - 232 σελίδες
...altitude. 59. Two parallelograms have equal areas if they have equal bases and equal altitudes. 60. The area of a triangle is equal to one half the product of its base and altitude. 61. If a is a side of a triangle and h the altitude on it and b another side and k the... | |
 | Herbert Ellsworth Slaught, Nels Johann Lennes - 1919 - 240 σελίδες
...altitude. 59. Two parallelograms have equal areas if they have equal bases and equal altitudes. 60. The area of a triangle is equal to one half the product of its base and altitude. 61. If a is a side of a triangle and h the altitude on it and b another side and k the... | |
 | Robert Franklin Anderson - 1921 - 348 σελίδες
...parallelogram whose base (EF) is 6 ft. and altitude (HK) is 3ft., 6X3, or 18=the area of EFGH. 4. The area of a triangle is equal to one half the product of its base and altitude. Thus, if ABC represents a triangle whose base (AB) is 6 ft. and altitude (CD) is 4 ft.,... | |
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The area of a triangle is equal to one half 'the product of its base and altitude. 
