3 years ago

ANSWER QUICK PLEASE examine the diagram

Mathematics

1 answer:

Anton [14]3 years ago

4 0

Answer:

m∠1 = 71°

Step-by-step explanation:

63 + ( 15x - 3 ) = 180 degrees

63 + 15x - 3 = 180

15x = 180 - 63 + 3

15x = 120

x = 8

Enter into ( 8x + 7 )

( 8·8 + 7 ) = ( 64 + 7 ) = 71

Angle m∠1 = 71°

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