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Can someone help me with this please ?
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Can someone help me with this please ?

Can someone help me with this please ?-example-1
User FlorianDe
by
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1 Answer

3 votes
3. (x + 1)/4 = 3 / 6
x + 1 = 3/6 x 4 = 2
x = 1

Scale factor = 6 / 4 = 1.5

Ratio of perimeters = 2 : 3

4. x / 21 = 20 / 15
x = 20 / 15 x 21 = 28

Scale factor = 20 / 15 = 4/3

Ratio of perimeters = 3 : 4
User Lxg
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