C = 2×pi×r
72 = 2×pi×r
so r = 36/pi
DE = 30deg×36/pi
DE = (pi/6)×(36/pi) = 6cm
Answer:
55
Step-by-step explanation:
50 odd numbers and 3 even square numbers
Answer:
The meeting was 70 minutes long
Step-by-step explanation:
x+5=75
subtract 5 from both sides
x=70
Answer:
Step-by-step explanation:
- x( x² - 12x + 21 )