Step-by-step explanation:
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Answer:
A = 6.3033315211545 in2 or 6.3
Step-by-step explanation:
When multiplying by 4, you can simply multiply it by 2 twice (prime factorization).
In this example-
4 times 8 = 32
2 times 2 times 8 = 32
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The triangles are similar, they aren't congruent (identical) though as we don't know if they share a common side