Answered

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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 simplest form.
5 cm
11 cm
A
20 cm
3 cm
rcm
B
12 cm
Not drawn accurately

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 Sim class=

Sagot :

MrRoyal

The scale factor from A to B is 5/3 and the value of r is 33/5

The scale factor from A to B

From the figure, we have the following corresponding sides

A : B = 5 : 3

Express as fraction

B/A = 3/5

This means that, the scale factor from A to B is 5/3

The value of r

From the figure, we have the following corresponding sides

A : B = 11 : r

Express as fraction

B/A = r/11

Recall that:

B/A = 3/5

So, we have:

3/5 = r/11

Multiply by 11

r = 33/5

Hence, the value of r is 33/5

Read more about similar shapes at:

https://brainly.com/question/14285697

#SPJ1

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