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insens350 [35]
3 years ago
7

PLS HELP SHOW ALL YOUR WORKING OUT :D BRAINLIEST

Mathematics
1 answer:
vazorg [7]3 years ago
6 0

Answer:

18.1 cm

Step-by-step explanation:

Work out CD

\sqrt{16^{2}-7^{2}  } = 14.38749457 ⇒ Pythagoras Theorem

Use CD and AD to work out AC

\sqrt{14.38749457^{2}+11^{2}  } = 18.11077028 ⇒ Pythagoras Theorem

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