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I don’t know how to do this question and my math teacher is not helpful

I Dont Know How To Do This Question And My Math Teacher Is Not Helpful class=

Sagot :

Answer:

i think its 4.7

Step-by-step explanation:

Answer:

AC is an enlargement of AE

scale factor = 11.7 ÷ 5.2 = 2.25

CD is an enlargement of AB

10.5 ÷ 2.25 = 4.666666...

= 4.7 (rounded to nearest tenth)