in triangle abc ad is perpendicular on BC and BD is perpendicular on AC also AC is equal to 25 BC is equal to 7 is equal to 10 find the area of triangle ABC
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Answer:
in triangle abc ad is perpendicular on BC and BD is perpendicular on AC also AC is equal to 25 BC is equal to 7 is equal to 10 find the area of triangle ABC
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in triangle abc ad is perpendicular on BC and BD is perpendicular on AC also AC is equal to 25 BC is equal to 7 is equal to 10 find the area of triangle ABC
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hkyyyyyyyyyndicular on BC and BD is perpendicular on AC also AC is equal to 25 BC is equal to 7 is equal to 10 find the area of triangle ABC
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Answer:
In △ABD and △ACD, we have
DB=DC ∣ Given
∠ADB=∠ADC ∣ since AD⊥BC
AD=AD ∣ Common
∴ by SAS criterion of congruence, we have.
△ABD≅△ACD
⇒AB=AC ∣ Since corresponding parts of congruent triangles are equal
Hence, △ ABC is isosceles.