Answer:
Step-by-step explanation:
The ratio of areas of similar figures is the square of the scale factor. Then we have ...
larger/smaller = √(6800/17) = √400 = 20
The dimensions of the larger triangle are 20 times those of the smaller triangle.
x mm = 20(7.5 mm)
x = 150
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20(y mm) = 80 mm
y = 4
