1. Which of the given pair of ratios can be written as a proportion? C 7. 15 521 D s'16 2. Find the fourth proportional to 6, 8 and 24. A 16 C 32 B 20 D 64 3. Find the geometric mean of 4 and 25 A 5 C 20 B 10 D 100 4 Find the lengths of two segments whose sum is 48 cm and whose ratio is 3.5. A 10 and 5 C. 18 and 30 B6 and 18 D 15 and 30 5. The measure of two supplementary angles are in the ratio 7.11. Find the measure of each angle A. 70°, 110 C. 90°, 90° B 90°. 180 D. 60°. 1200 6. Two triangles are similar f corresponding angles are congruent and corresponding sides are A parallel C congruent B ad acent D proportional 7. Which of the following are always similar? A two parallelograms C two octagons B two angles D. two regular hexagons 8. Which of the following are NOT similar? A any two night triangles C. any two squares B any two rhombi D any two equilateral triangles 9. Which of the following ustifies the similarity of the two triangles shown? х kx y A. SSS B. SAS C.ASA D.AA



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