Answer:
80 grades is the answer.
Step-by-step explanation:
72° into grades
1° = 10/9 grades
72° = 10/9 × 72grades
= 720/9 grades
= 80 grades
80 grades
=>1° = 10/9 grades
=>72° = 10/9 × 72 grades
=>72° = 720/9 grades
=>72° = 80 grades
