Answer:
x = 15m
Step-by-step explanation:
The second triangle (large) is 3 times greater than the first triangle (small).
6 x 3 = 18 4 x 3 = 12 5 x 3 = x
5 x 3 is 15, so x is 15m
The answer is 21.
I am not sure if you're looking for the answer, or the steps... get back to me foor help.
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Step-by-step explanation:
The answer is 4x