madisynk78
17.11.2019 •
Mathematics
It usually takes amalie 1\4 hours to get to her aunt's house. due to traffic, this year it took 3 1\3 hours. how much longer did it take this year
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Ответ:
3 hours and 5 minutes longer to get there
Step-by-step explanation:
1/4 of an hour is 15 minutes
3 1/3 is 200 minutes = 3 hours and 20 minutes
Ответ:
Step-by-step explanation:
area of circle=πr²
area of reqd. sector=πr²/4
(∵90/360=1/4)
reqd. area=π×3²/4=9π/4≈(9×3.14)/4≈7.065 square feet.