And obtuse angle is greater than 90°
1)
evaluate when x = 6
5 + x
so when x = 6 then 5 + 6 = 11
answer
11
2)
2/6
in lowest term = 1/3 (divide top and bottom by 2)
3)
evaluate when x = 1
8 + x
so when x = 1 then 8 + 1 = 9
answer: 9
4)
14/48
lowest term = 7/24 (divide top and bottom by 2)
I am not sure if it is the best but heres one way to do it
<em>Answer:</em>
<em>1. 48°</em>
<em>2. (may be wrong) 42°</em>
<em>3. 109°</em>
<em>4. 30°</em>
<em>9. 180°</em>
<em>10. (may be wrong) 21°</em>
<em>11. 70°</em>
<em>12. 61°</em>
