...area of a rectangle 8 yds. long and 5 ft. wide. BOOK IV. PLANE GEOMETRY PROPOSITION IV. THEOREM 385. The area of a parallelogram is equal to the product of its base by its altitude. KB FC Given the ZZ7 ABCD with the base AD (denoted by 6) and the altitude DF...

...Find, in square feet, the area of a rectangle 8 yds. long and 5 ft. wide. PROPOSITION IV. THEOREM 385. The area of a parallelogram is. equal to the product of its base by its altitude. K__B__ pa A b D Given the ZZ7 ABCD with the base AD (denoted by b) and the altitude...

...side. BOOK IV. 383. The area of a rectangle is equal to the product of its base by its altitude. 385. The area of a parallelogram is equal to the product of its base by its altitude. 389. The area of a triangle is equal to one-half the product of its base by its...

...evident by dividing the figure into squares, each BOOK IV. PLANE GEOMETRY. PROPOSITION IV. THEOREM. 400. The area of a parallelogram is equal to the product of its base by its altitude. CF CE A b DA b D Let AEFD be a parallelogram, b its base, and a its altitude....

...fractional number of times in the base and altitude the same rule is reached. PROPOSITION IV. 330. Theorem. The area of a parallelogram is equal to the product of its base and altitude. Suggestion. § 323 and § 326. PROPOSITION V. 331. Theorem. The area of a triangle is equal to one-half...

...C'fi, thus forming a rectangle with the, same base and altitude as the given parallelogram. Therefore,^ the area of a parallelogram is equal to the product of its base and altitude, or A = ab. 188. The Triangle. Since the line AB divides the parallelogram into two equal triangles...

...wide a road is cut 4 rd. wide. How many acres are cut off for the road? PROPOSITION IV. THEOREM 322. The area of a parallelogram is equal to the product of its base by its altitude. A b BA b B Given the parallelogram ABCD, with base b and altitude a. To prove...

...their bases; two rectangles that have equal bases are to each other as their altitudes. 186. Theorem I. The area of a parallelogram is equal to the product of its base by its altitude. 187. Corollary 1. (a) Two parallelograms are to each other as the products of...

...should be given practice in drawing them until the mention of a name calls forth an appropriate drawing. The area of a parallelogram is equal to the product of its base and altitude. The base and altitude must be expressed in units of the same kind. The diagonal of a parallelogram...

...resulting figure will be a rectangle of the same area, base, and altitude as the BASE parallelogram. The area of a parallelogram is equal to the product of its base and altitude, expressed in like units. ' ' " and Written Exercises Estimate results mentally before solving. Find...