Question

please answer this question​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

in in triangle BCD

angle BCD = 75 degree which is equal to to angle DBC .... because the base angles of an isosceles triangle of opposite sides are equal.

therefore angle bdc = 180 - 75 into 2

angle bdc = 180 - 150 degree

angle bdc = 30 degree

now in triangle abc we get

Angle B = C because the base angles of an isosceles triangle of a four z sides are equal

therefore angle C = 60 degree

now angle BAC = 180 - 2 into 60

angle BAC = 180 - 120

angle BAC = 60 degree