Mathematics
Grade-8
Easy
Question
Identify the congruent angles of the triangle AFC and triangle DFB.
- <A =<D, <C=<B, <AFC=<DFB
- <A =<B, <C=<D, <AFC=<DFB
- <A =<F, <C=<B, <AFC=<DFB
- <A =<D, <C=<B, <AFC=<BDF
Hint:
equal angle front side is also equal
The correct answer is: <A =<D, <C=<B, <AFC=<DFB
since AC=BD, AF=BF and CF=FD, the triangles are congruent (SSS criterion).
The corresponding parts of congruent triangles are equal.
So, ∠A =∠D, ∠C=∠B, ∠AFC=∠DFB
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