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Flura [38]
3 years ago
9

Cole found BC in ΔABC . His work is shown below. Identify the first step in which his work shows an error. ​ A Step 1: 92 + 152

= c2 B Step 2: 81 + 225 = c2 C Step 3: 306 = c2 D Step 4: 306−−−√ =c E Step 5: c≈17, so BCis about 17 in.
Mathematics
1 answer:
garik1379 [7]3 years ago
5 0

Answer: A

Step-by-step explanation:

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