It is fantastic and you ??
Answer:
the area of the rectangle is 20 square units.
Step-by-step explanation:
i don't have it step by step but i did get 100%
The base and height scaled to some factor, simply means,
they're blown up by that much, or multiplied by that much,
in this case is 3, so.. the area would be 1/2 bh, now,
with 3b and 3h, what would it be?

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It would be an acute isosceles triangle