The value of x if the scale factor of figure A to figure B is 4:5 is; x = 12
We are given the scale factor of figure A to figure B as 4:5.
- By use of similar triangles theorem, we can deduce that the ratio of corresponding sides of figure A to corresponding sides of figure B must be equal to 4:5.
Now, looking at both triangles, we can say that;
x:15 = 4:5
Thus,we can write in fraction as;
x/15 = 4/5
x = 15 × 4/5
x = 12
In conclusion, the value of x from the given proportion between both triangles is 12.
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