Answer:
circumference of circle = 2π×r
here r = 7
so 2 ×22÷7 × 7
= 2×22
= 44
therefore the circumference is 44 inches
Answer:
97.96 cm
596.14 cm²
Step-by-step explanation:
sides become:
- 30 cm ⇒ 16 cm
- 25 cm ⇒ 11 cm
and added corners:
- 4*2πr/4= 2πr = 2*3.14*7 cm= 43.96 cm
then perimeter is:
- P= 2*16+2*11+43.96= 97.96 cm
the area left is:
- A= 30*25- 4*1/4*3.14*7²= 596.14 cm²
Answer:236,520 hours
Step-by-step explanation:
You multiply the years(27) times the number of days in one year(365) which equals 9,855 and then you multiply that by the number of hours in a day(24) so it equals 236,520.
Answer:1.57
Step-by-step explanation:
