To prove: Angle BAC and DAC are equal by the use of triangle congruence criteria.

Marvin Mccormick

Marvin Mccormick

Answered question

2021-05-08

To prove: Angle BAC and DAC are equal by the use of triangle congruence criteria.

Answer & Explanation

joshyoung05M

joshyoung05M

Skilled2021-05-10Added 97 answers

Redraw Figure 1 shown below:

Calculation:
The side AD is equal to AB.
The side CD is equal to CB.
There is one common side AC.
Now in triangle ABC and ADC,
AD= AB
CD= CB
AC= AC
Therefore, triangles ABC and ADC are congruent by SSS congruence criteria. 
By congruence angle property,
By congruence angle property,
BAC=DAC
Thus, angle BAC and DAC are equal by SSS congruence criteria.

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