Please help with the circle ones.

Mathematics
Tutor: None Selected Time limit: 1 Day

Mar 11th, 2015

if the scale factor is a:b perimeter is a:b and area a^2:b^2

so 25)perimeter 2:5 area 4:25

26)similarly 1:16 = 50:x so x=800 cm^2

please best me

Mar 11th, 2015

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Mar 11th, 2015
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Mar 11th, 2015
Dec 6th, 2016
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