Math, asked by sandeepperaka1438, 10 months ago

Prove that the angle opposite of equal side of equilateral triangle are equal

Answers

Answered by Parthdua2005

74

Step-by-step explanation:

In triangel ABD and ACD

angle A =angleA(AD is bisector of angleA)

AD=AD(common)

angle D=angleD(AD perpendicular BC)

By ASA condtion ABD congruent to ACD

By CPCT angle B=angleC

Hence proved!

Answered by rohitkmrrk14

21

Answer:

Step-by-step explanation:

Step-by-step explanation:

In triangel ABD and ACD

angle A =angleA(AD is bisector of angleA)

AD=AD(common)

angle D=angleD(AD perpendicular BC)

By ASA condtion ABD congruent to ACD

By CPCT angle B=angleC

Hence proved!

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