Answer:
18
Step-by-step explanation:
180-160 = 20 which equals the exterior angle
the sum of exterior angles is 360 so 360/20 = the number of sides as there is an exterior angle for every side
360/20 = 18
Answer:
Step-by-step explanation:
7[16-6|5+(8-18)+16÷8|]
=7[16-6|5+(-10)+2|]
=7[16-6|(-3)|]
=7[16-18]
=-14
Answer:
5 1/2
Step-by-step explanation:
add -2 and 7 bc negative and negative makes positive making it 5
then add 1/6 and 1/3 but they have to have the same denominator so u multiply 2 to 1/3 which makes it 2/6 and 2/6 + 1/6= 3/6 which simplify to 1/2