21. BE and CF are two equal altitudes of a triangle ABC. Prove thata)

1.	21. BE and CF are two equal altitudes of a triangle ABC. Prove thata) triangle ABC congruent to triangle ACF.b) AB = AC ; ABC is an isosceles triangle..
Answer» ANSWER: in triangle BAC and QPR Ange A =angle P Angle B=angle Q by AA similarly triangle BAC~triangle QPR 6/h=4/28 6X28=h h=42cm.

21. BE and CF are two equal altitudes of a triangle ABC. Prove thata) triangle ABC congruent to triangle ACF.b) AB = AC ; ABC is an isosceles triangle..

Answer»

ANSWER:

in triangle BAC and QPR

Ange A =angle P

Angle B=angle Q

by AA similarly

triangle BAC~triangle QPR

6/h=4/28

6X28=h

h=42cm.

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21. BE and CF are two equal altitudes of a triangle ABC. Prove thata) triangle ABC congruent to triangle ACF.b) AB = AC ; ABC is an isosceles triangle..​

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21. BE and CF are two equal altitudes of a triangle ABC. Prove thata) triangle ABC congruent to triangle ACF.b) AB = AC ; ABC is an isosceles triangle..