Geometry Formative Assessment for Chapter 7 (Sections ) * Required
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1 Geometry Formative Assessment for Chapter 7 (Sections ) * Required Page 1 Find ratios and make predictions as indicated In Mr. Davis's geometry class, there are 15 girls and 10 boys. Find the ratio of girls to boys. * 15:10 10:15 3:2 2:3 15:25 3: Of the movies Sally went to last year, 10 were comedies and 2 were dramas. Find the ratio of comedies to dramas. * 5 5: 1 1:5 10:2 2: On the floor plan for a building, 1 inch represents 20 feet. If the dimensions of a room on the plan are 7/8 inch by 1 1/4 inches, what are the actual dimensions of the room? * 16 ft x 28 ft 15.5 ft x 25 ft 17.5 ft x 25 ft 18 ft x 21.5 ft 19 ft x 28 ft Page 2 Solve each proportion listed. 4 A/edit 1/10
2 4. * x = 3 x = x = 5 x = 5.5 x = * x = 10 x = 8 x = 6 x = 4 x = A/edit 2/10
3 6. * Check all the correct answers Check all that apply. k = 6 k = 2 k = 33 k = 5 k = 4 Page 3 Set up equations and solve The ratio of the measures of three sides of a triangle is 5:9:12 and the perimeter is 182 inches. What is the measure of the longest side of the triangle? * 15 1/ In a triangle, the ratio of the measures of three sides is 4:5:8 and its perimeter is 204 inches. Find the measure of the longest side of the triangle. * The ratio of the measures of the three angles is 5:7:8. Find the measure of the smallest angle of the triangle. * Page 4 Determine if each pair of figures is similar. List the similarity statement A/edit 3/10
4 10. * Not similar Similar, ABC ~ DEF Similar, ABC ~ FED Similar, ACB ~ DEF * Not similar Similar, LMK ~ FEG Similar, LMK ~ FGE Similar, MLK ~ GEF A/edit 4/10
5 Page 5 Determine if triangles are similar. Then, list the similarity postulate or theorem * Not similar. Similar, AA~ Similar SAS~ Similar SSS~ Similai AAS~ A/edit 5/10
6 13. * Not similar. Similar, AA~ Similar, SAS~ Similar, SSS~ Similar, AAS~ * Not similar. Similar, AA~ Similar SAS~ Similar, SSS~ Similar AAS~ A/edit 6/10
7 15. * Not similar. Similar, AA~ Similar, SAS~ Similar SSS~ Similar AAS~ Page 6 Use similarity proportions and additional laws of Chapter 7 to solve for unknown parts of triangles. Solve for x and y, as indicated. 16. If RU = 8, US = 14, TV = x 1, and VS = 17.5, find x and TV. A/edit 7/10
8 16. * x = 11, TV = 10 x = 12, TV = 11 x = 14, TV = 13 x = 15, TV = 14 x = 16, TV = * Can not be determined. x = 5, y = 7.5 x = 6, y = 6.5 x = 4, y = 6.5 x = 3, y = A/edit 8/10
9 18. * x = 17.5 x = 26 x = 40 x = * x = 6, y = 12 x = 5, y = 10 x = 4, y = 8 x = 2, y = 4 x = 1, y = A/edit 9/10
10 20. * x = 4.5, y = 13 x = 10, y = 7.5 x = 12, y = 6.5 x = 15, y = 4 x = 16, y = * x = 10 x = 10.7 x = 12 x = 14 x = First Name 23. Last Name Powered by A/edit 10/10
Geometry Assessment - Chapter 7 (Sections ) * Required
Geometry Assessment - Chapter 7 (Sections 7.1-7.5) * Required Page 1 - Find ratios and make predictions as indicated. 1. 1. In Mr. Davis's geometry class, there are 15 girls and 10 boys. Find the ratio
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