Question

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Answer 1

Given -

let ∆s be ∆ ABC & ∆ DEF

Both triangles are similar . i.e, ∆ABC ~ ∆ DEF and

areas are equal. i.e., ar∆ ABC = ar∆ DEF

To prove -

Both triangles are congruent . i.e., ∆ ABC ~= ∆ DEF

proof -

( I attached it dear one )

hope it helps you