Respuesta :

priestlyndubuwa

calculate the formula of the triangle and then use pythagoras thereom to solve the values according to their sides

Don't forget to thank me later

xfallendemon
We need to find the scale factor for this which will give us how much the triangle was scaled down.
We can find this out by doing 8/12 which is simplified to 2/3.

We can check this is correct because 12 x 2/3 gives us 8.
So now we do 15 x 2/3 = 10

This means x - 4 = 10
x = 14

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