Gretchen measured the length of her toaster to the nearest half inch to be 9 inches. steve measured the toaster to the nearest quarter inch and found that it measured 9 1/4 inches. who used a more precise measurement?

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse