1) Which are these shapes are always similar? a) Isosceles triangles b) Rectangles c) Pentagons d) Squares 2) What is the scale factor for these similar shapes? a) 1.33333 b) 1.5 c) 2 d) 3 3) What is the missing legth for these similar shapes? a) 13cm b) 15cm c) 20 cm d) 24 cm 4) What is the scale factor for these similar shapes? a) 1.5 b) 2 c) 0.25 d) 0.5 5) What is the missing length for these similar shapes? a) 15 cm b) 12 cm c) 24cm d) 6cm 6) What is the scale factor for these similar shapes? a) 1.5 b) 2 c) 2.5 d) 3 7) What is the missing length shown for these similar shapes? a) 10 b) 12.5 c) 15 d) 25 8) What is the scale factor for these similar shapes? a) 1.33333 b) 1.5 c) 2 d) 3 9) What is the scale factor for these similar shapes? a) 7 b) 8 c) 9 d) 11 10) What is the missing length marked? a) 45 b) 27 c) 9 d) 54 11) What is the missing value of for x? a) 30 cm b) 36 cm c) 20 cm d) 9cm 12) What is the linear scale factor of enlargement? a) 9 b) 12 c) 13 d) 15 13) What is the missing length in the diagram a) 4 b) 4.5 c) 5 d) 6 14) What is the linear scale factor between these shapes? a) 7 b) 8 c) 9 d) 12 15) What is them is the missing length marked on these shapes? a) 7.1 b) 7.3 c) 9.3 d) 12.03

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