Math, asked by shwetakhanna01, 8 months ago

In triangle ABC, AB = AC, and D is the point inside triangle such that BD = DC, as shown in the figure, which of the following is true?
Select one:

a. ∆ABD ≅ ∆ACD

b. ALL OF THESE

c. ∠ABD ≅ ∠ACD

d. ∠DAC ≅ ∠DAB

Answers

Answered by s8528054954
0

ANSWER

In △s ABD and ADC,

AD = AD (Common)

BD = CD (Given)

AB = AC (Given)

Hence, △ABD≅△ADC (SSS rule)

Thus, ∠ADB=∠ADC=x (By cpct)

∠ADB+∠ADC=180 (Angles on a straight line)

x+x=180

x=90

∠ADB=∠ADC=90  

 

or, AD is perpendicular to BC

Answered by shanya3444455566778
0

Answer:

answer is b all of these

Step-by-step explanation:

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