You can easily calculate it
Answer:
59 degrees
Step-by-step explanation:
Angles on a straight line add up to 180 degrees
Angles in a triangle add up to 280 degrees
180 minus 149 is 31
31 add 90 is 121
180 minus 121 is 59
Answer:
930
Step-by-step explanation:
1) Once upon a time there was a bored kid in class who invented a super cool formula
This formula goes like this:
n(n+1)
where n= the sum of the first n numbers in a series
so
30(30+1)=30(31)=930
930
They are going to have a little 1.
