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12 votes
6) Find the measure of ZBEC
A) 10°
B) 60
C) 80°
D) 100

6) Find the measure of ZBEC A) 10° B) 60 C) 80° D) 100-example-1

1 Answer

10 votes

1. analyze data presented

It is not d because it is not greater than 80 degrees

it is not a because it is clearly not 10 degrees

making system of equations

8x+(4x+60)=180

addition

12x+60=180

move sixty to the other side

12x=120

division

x=10

Angle BEC=*x, so 8x=80

Answer: 80 degrees

User Saxid
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