2 years ago

HELP ME! RIGHT NOW!!

Mathematics

2 answers:

leva [86]2 years ago

7 0

Since that angle all together is 180, 100 is 2z-10 and z is 55

Sauron [17]2 years ago

3 0

Step-by-step explanation:

80+(2z-10)=180 {sum of angles in straight line is 180}

80+2z-10=180
70+2z=180
2z=180-70
2z=110
z=110/2
z=55

now, 2z-10=2×55-10

=110-10

=100

therefore z=55 & 2z-10=100

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