1.

Plz answer fast with explaination​

Answer»

Answer:

first m second is of 50 DEGREE and L is 90 degree so by angle sum 90+50+d=180

d=180-140=40degree

lmd is 50 dedree as linear pair

qrp is 130 +90+90+r=360

310+r=360

r=50 degree



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