Area: 20 x 30 so 600
perimeter: 20 + 20 + 30 + 30 = 100
There are two critical points, at which we have
1.) 17.1g > 1.71mg
2.) 6.3cm< 63m
3.)1250ml>12.5
4.) 7/12 < 2/3
5.) 7/10 < 11/15
Answer:
42
Step-by-step explanation:
because that angle is a little less than half of 90 so 42 is the best answer