∴AE=BE (the distance from a point on the middle vertical line to both ends of the line segment is equal)
∵△ The circumference of ∵△ABC is 24cm, and AB= 10cm.
∴ac+bc=24cm- 10cm= 14cm
∫AE+ECBE+EC = BC
∴ The perimeter of the triangle AEC is:
AE+EC+AC=BC+AC= 14cm
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