| A | B |
|---|
| area of a rectangle= | product of its base and its altitude |
| area of a parallelogram= | product of its base and its altitude |
| parallelograms w/ = bases and = altitudes are... | = in area |
| parallelograms have = areas if... | they have = bases and = altitudes |
| the area of a triangle is = to... | 1/2 the product of its base and its altitude |
| the ratio of the areas of triangles w/ equal bases is equal to... | the ratio of their altitudes |
| the ratio of triangles w/ = altitudes is = to the ratio of... | their bases |
| the area of a trapezoid is = to... | 1/2 the product of its altitude and the sum of its bases |
| the area of a rhombus is = to... | 1/2 the product of its diagonals |
| hero's formula: | the area of a triangle of sides a,b, and c units is given by the formula K=sqareroot(s(s-a)(s-b)(s-c) where s=1/2(a=b=c) |
| the ratio of the areas of two similar triangles is = to... | the square of the ration of a pair of corresponding sides |
| the ratio of areas of two similar triangles is = to... | the square of the ratio of any pair of corresponding linear dimensions |
| the ratio of areas of two similar polygons is = to... | the sqare of the ratio of a pair of corresponding sides |
| a median of a triangle... | divides the figure into two triangles of equal area |
| if two triangles have = bases on one of two parallel lines, and if the third vertex of each triangle is on the other II line... | the triangles are = in area |
| volume of a prism= | area of base X altitude |
| volume of a pyramid= | 1/3 area of base X altitude |
| the ratio of corresponding portions of the areas of similar solids is = to... | the square of the ratio of corresponding lengths |
| the ratio of volumes of similar solids is = to... | the cube of the ratio of corresponding lengths |
| define frustum: | if a pyramid is cut by a plane II to its base, the part of the pyramid between the cutting plane and the base is called a frustum of a pyramid |
