75 because you count how many angles there are then you minus by 2 and and divide by 540= and boom its 75
What kind of mathematics is this?? algebra or something else?? Because there is SEVERAL ways to solve this....
Answer:
Exact Form: x= -9/4
Decimal Form: x= -2.25
Step-by-step explanation:
5: 90 can also be written as a fraction 5/90 then reduce the fraction
5/90 (5*1=5/5*18=90) so it reduces to 1/18
the ratio simplified is 1:18