Question

4. BE and CF are two equal altitudes of a triangle ABC. Using RHS congruence rule, prove that the triangle ABC is isosceles.

Answer 1

Step-by-step explanation:

In triangle BFC and triangle BCE

90 = 90 (given)

BC = BC (common)

CF = BE (given)

therefore triangle BFC and triangle BCE are congruent by RHS

angle B = angle C by cpct

therefore triangle ABC is an isosceles triangle

Answer 2

Answer:

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