Points Class 11 Chapter 7 Radians

• 270
• 360
• 180
• 90

• 90
• 270
• 360
• 180

• 270/pi degrees
• 90/pi degrees
• 180/pi degrees

• 360/pi degrees

What is 30 degrees in radians?

• pi/2
• pi/3
• pi/4
• pi/6

What is 60 degrees in radians?

• pi/4
• pi/2
• pi/3
• pi/6

What is 45 degrees in radians?

• pi/4
• pi/6
• pi/3
• pi/2

What is 90 degrees in radians?

• pi/3
• pi
• pi/4
• pi/2

What is the formula we SHOULD us when we need to find out the length of an arc?

• L = r x ϴ

• 2πr

Which formula we SHOULD use when we need to find the area of the sector of a circle?

• (θ/180) * π * r^2
• (1/2) * π * r^2

• (θ/2) * π * r^2
• (θ/90) * π * r^2

How many radians does a circle have?

•   360 degrees
• 2pi radians
• pi radians
• ^{2 radians}