answer my question will mark u as brainliest
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Answer:
18.1cm
Step-by-step explanation:
11cm - 4cm = 7cm
16² - 7²
256 - 49 = 207
√207 = 14.387
x = 14.4
√14.39²+11²=√207+121= √328= 18.1cm
AC=18.1cm
I hope this helps ^_^