laurenhousemanp6hdmu laurenhousemanp6hdmu
  • 01-04-2018
  • Mathematics
contestada

fond the area of a sector with a central angle of 100 and a diameter of 9.3cm round to the nearest tenth

Respuesta :

emiliaatkinson
emiliaatkinson emiliaatkinson
  • 01-04-2018
Formula= angle/360° x pi r^2
100/360 = 0.27777778
Radius = diameter/2
9.3/2 = 4.65
Pi x 4.65^2 = 67.9290872 (do not round until the end)
0.27777778 x 67.9290872 = 18.869191
This number rounds to 18.9
Hope this helps
-Emiliaatkinson (UK)
Answer Link

Otras preguntas

Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
in an expression(8/9) squared (-81)+3/5dividedby-9/10
What are two different ways to describe and label the layers of the Earth?
Solving systems by elimination: 2x + 4y = -4 3x + 5y = -3 Please show me your work so I can do the rest myself. Thanks!
Nadine can send or receive a text message for 15 cents or get an unlimited number for 5 dollars. Write and solve an inequality to find how many messages she can
A passenger on a boat moving at 1.70 m/s on a still lake walks up a flight of stairs at a speed of 0.60 m/s , as shown in the figure . The stairs are angled at
What three islands are located off the East African coast
Does the depth of a pan affect how water freezes?
Why is RNA necessary to act as messenger?
Was the Gold Rush a good or bad thing for the United States?