Mathematics, 20.07.2019 10:40 cgratz5106
How long is the arc intersected by a central angle of pi/2 radians in a circle with a radius of 4.5 cm? round your answer to the nearest tenth. use 3.14 for pi 0.3 cm 0.7 cm 2.9 cm 7.1 cm
Answers: 2
is 7.1 cm.
![l=\theta\ r\\\Rightarrow\ l=\frac{\pi}{2}\times4.5\\=\frac{3.14\times4.5}{2}=7.065\approx7.1\text{ cm .......[Round to the nearest tenth]}](/tpl/images/0111/3962/a9402.png)
Another question on Mathematics
Mathematics, 20.06.2019 18:04
Venus is about 108 kilometers from the sun. saturn is about 109 kilometers from the sun. about how many times farther from the sun is saturn than venus?
Answers: 1
Mathematics, 21.06.2019 21:30
Plz ( true - false) all triangles have interior angles whose measure sum to 90.
Answers: 2
Mathematics, 21.06.2019 23:00
How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)
Answers: 2
Mathematics, 21.06.2019 23:00
Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?
Answers: 1
You know the right answer?
How long is the arc intersected by a central angle of pi/2 radians in a circle with a radius of 4.5...
Questions
Mathematics, 11.01.2021 21:40
Chemistry, 11.01.2021 21:40
Mathematics, 11.01.2021 21:40
History, 11.01.2021 21:40
Mathematics, 11.01.2021 21:40
Mathematics, 11.01.2021 21:40
Mathematics, 11.01.2021 21:40
Geography, 11.01.2021 21:40
Mathematics, 11.01.2021 21:40
