8-1 Ratios and Proportions. Four Key Terms Two Properties. Proportion. A statement that two ratios are equal. . Key Terms. and. Extended proportion. Written form of three or more ratios are equal. . Key Terms. Properties of Proportions. Cross-Product Property. (1). (2). (3). (4).
Four Key Terms
A statement that two ratios are equal.Key Terms
Written form of three or more ratios are equal.Key Terms
A drawing in which all lengths are proportional to corresponding lengths.
A comparison of each length in a drawing to the actual length.Key Terms
A photo that is 8 in. wide and 10 in. high is enlarged to a poster that is 2 ft. wide and 2.5 ft. high. What is the ratio of the height of the photo to the height of the poster?