leannehastilow6 leannehastilow6

18-09-2022
Mathematics

contestada

Shapes A and B are similar.
a) Calculate the scale factor from shape A to shape B.
b) Find the value of r.
Give each answer as an integer or as a fraction in its simples
5 cm
11 cm
A
20 cm
3 cm
rcm
B 12 cm
Not drawn accurately

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