Respuesta :

LadishCat

Answer:

I think the answer is 7cm.

Step-by-step explanation:

AB-BC

11cm-4cm=7cm.

kth03
This is a right triangle so I would use Pythagorean theorem
a^2 + b^2 = c^2
4^2 + b^2 = 11^2
b^2 = 121-16
b^2 = 105
Squareroot both size
b ( length AC ) ~= 10.24 cm

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