find the value of x
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Answer:
x = 42 degree .........
Step by step explanation :
in triangle ABD
AD = BD
so , angle ABD = angle BAD
(opposite angles of equal sides are equal in triangle)
angle BAD = 48 degree
in triangle BDC
BD = DC
angle DAC = Angle DCA
(opposite angles of equal sides are equal in traingle)
angle DCA = x degree
in triangle ABC
angle B + angle BAC + angle C = 180 degree
48 + (angle BAD +angle DAC ) + x = 180
48 + 48 + x + x = 180
96 + 2x = 180
2x = 180-96
2x = 84
x = 84/2
x = 42
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