Question

If an area or a line possesses an axis of symmetry, its centroid C is located​

Answer 1

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The population of a city decreased from 25000 to 24500. Find the percentage decreaseIn an isosceles ∆ ABC, AB = AC, AD is perpendicular to BC.

Prove that ∆ ABD ≅ ∆ ACD.In an isosceles ∆ ABC, AB = AC, AD is perpendicular to BC.

Prove that ∆ ABD ≅ ∆ ACD.