...parallelogram having the same base and altitude, and that of a triangle is equal to half that urea, it follows that the area of a parallelogram is the product of its base and its altitude, and that of a triangle is equal to half that product. The phrase ' the product of two...

...its angles right ; 25. The Rhomboid, which has its opposite sides equal and its angles oblique. 26. The area of a parallelogram is the product of its base and altitude, which, in case of the square, is the second power of its side, (19&.) * The demonstration...

...of the last article in conjunction with Section I. of this Part give us the following theorems. i. The area of a parallelogram is the product of its base and altitude. (140°) 2. The area of a triangle is one-half the product of its base and altitude. (141°)...

...parallelogram ABC D. The altitude of a trapezoid is the perpendicular distance between its parallel sides. 576. The area of a parallelogram is the product of its base and altitude. 1. Find the area of a parallelogram whose base is 30 ft. and whose altitude is 10 ft. 2....

...Eau«, «ray point of which is equally distant from a point within «aU«d tb* «enter. 53. RULES. The area of a parallelogram is the product of its base and altitude. The area of a trapezoid is half the product of its altitude and the sum of its parallel sides....

...of the last article in conjunction with Section I. of this Part give us the following theorems. 1. The area of a parallelogram is the product of its base and altitude. (I4o°) 2. The area of a triangle is one-half the product of its base and altitude. (141°)...

...its altitude; ie, a — bh. [PI, 2, 3.] (Tliis formula may lie taken as the definition of area.) 2. The area of a parallelogram is the product of its base and ;ts altitude; ie, a = bh. [P4.] 3. The area of a triangle is one half the, product of its base and...

...Its area is BO x PQ. Evidently the rectangle and the parallelogram have the same area. 399. Hence, the area of a parallelogram is the product of its base and altitude. Verify the above by actually making a cardboard parallelogram and cutting it as indicated....

...definition of area.) 2. Parallelograms or triangles of equal bases and altitudes are equivalent. 3. The area of a parallelogram is the product of its base and its altitude ; ie, a=bh. [P4.] 4. The area of a triangle is one-half the product of its base and its...

...a=bh. [Pi, 2, 3.] 2. Parallelograms or triangles of equal bases and altitudes are equivalent. [Ci.] 3. The area of a parallelogram is the product of its base and its altitude; ie,a = bh. [P 4 .] 4. The area of a triangle is one-half the product of its base and...