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Answer:
45 degree
Step-by-step explanation:
Taking
(2x+1) + (6x+3) = 180
8x+4= 180
8x = 180-4
8x= 176
x= 176/8
x=22
therefore
L = 8x+41
= 8*22-41
= 135 degree
P = 180-L
= 180-135
= 45 degree
( In a parallelogram, two adjacent corner are completely)