1.

Please find r, s, and t​

Answer»

ong>Answer:

r=100° ,s=40° , t=60°

Step-by-step explanation:

l//m

=> s+140=180

s=180-140

s=40°

m//n

=> 120+t=180

t=180-120

t=60°

->t=r2

r2=60°

->s=r1

r1=40°

=>r=r1+r2

r=60+40

r=100°

OR

140+r+120=360°(COMPLETE ANGLE)

r=360-140-120

r=100


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