kaimyhrejac
kaimyhrejac
08-06-2021
Mathematics
contestada
Can someone help me with this please ?
Respuesta :
colinspurdle
colinspurdle
08-06-2021
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
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