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Mathematics, 19.01.2021 17:00 la200564

ABCD is a quadrilateral. a) Calculate the value of x.
A = 2x
B = 90 Degrees
C = X
D = 3x

360 - 90 = 270
270 ÷ 3 = 90
270 ÷ 2 = 135
135 - 90 = 45

x = 45 Degrees

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