Urgent someone please help! 20 points
2 answers:
8x-10=3x+90. 8x-3x=90-10. 5x=80. x=16. So angle B is 3*16+90=138° :)
Answer:
x= 20
<B= 150 degrees
Step-by-step explanation:
<A= 8x -10
<B= 3x +90
Since there are two parallel lines, if a transversal went through them, alternating angles are equal to each other. So <A= <B
8x -10= 3x +90
5x= 100
x= 20
<B= 3x +90
<B= 3(20) +90
<B= 60 +90
<B= 150 deg
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