in the given figure, triangle ABCD is a right angled triangle at C and CD perpendicular AB if B is 40 degree,find Angle BAC,Angle ACD Angle BCD
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angle D = 90°
Angle B = 40°
Angle A = 90+40+x = 180° (in ∆ CBD)
130+x = 180°
x = 180-130 = 50° = Angle C
Angle C = 50°
Angle D = 90°
Angle A = 50+90+X = 180°
140+X = 180
X = 180-140= 40 = A
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