Answer:
r = 20
Step-by-step explanation:
-4 = r/20 - 5
-4 + 5 = r/20 - 5 + 5
1 = r/20
1 * 20 = r/20 * 20
r = 20
Answer:
1416 cm
Step-by-step explanation:
Use calcutor shows everthinh
Is it 729 lol why would you put it as mixed number
Answer:
23 maybe because there is a 90 degree angle
