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dani595
19.07.2019 •
Mathematics
Me i am this is my last day to do this 1. if the diameter of a circle changes from 5 cm to 15 cm, how will the circumference change? * multiplies by 1/3 multiplies by 3 increases by 10 decreases by 10 2.a "radian" is another way to represent a central angle. the symbol used for a radian is π, but it doesn't stand for 3.14 this time. it stands for 180 degrees. this is why your calculator has two modes; radian π = 3.14 and degree π = 180! if π = 180 degrees, find: * 3π/! 4.7 9.42 270 540 3.a circle has an area of 36 inches squared. what is the area of a sector of the circle that has a central angle of 30 degrees? * 3 inches squared 6 inches squared 12 inches squared 196 inches squared
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Ответ:
2)4.7
3)12
Ответ:
the new price would be 248.17