janiqualove6 janiqualove6

18-01-2018
Mathematics

contestada

the radius of a circle is 2 feet. What is the length of a 90 degree arc?

Respuesta :

trombonebookworm trombonebookworm

18-01-2018

Since 90/360 is 1/4, the length of the arc is 1/4 the circle's circumference.

The circumference is (2+2)pi, or 4pi.

1/4 of that is pi.

So, the answer is pi.

Hope this helps!

Answer Link

Otras preguntas

Identify the function of the labeled structures. A: B: C: D: Options- -connects arteries and veins -Brings blood back to the heart -Carries blood away from the

The 9th amendment gives citizens rights not defined in the Constitution, what is one example of an "undefined right"?a. the right to privacyb. the right to tell

Is this a good essay for the SSAT upper level test?

Write a diary entry on good sportsmanship

What is the area of a circle with the diameter of 6

Describe a benefit of carbon nanotubes compared to copper or steel wires.

How do the results of solitary confinement differ from the overarching goals of the American prison system?

Can someone please help!:)

How many countries does the Nile river flow through

Identify the graph of the equation. What is the angle of rotation for the equation? 2xy – 9 = 0 a. hyperbola; 90° c. ellipse; 30° b. hyperbola; 45° d. ellips