Radians, degrees and complete rotations: check 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
The radian measure of \(150^\circ\) is \(k\pi\). Find \(k\).Enter one number or fraction. Round decimals to at least six decimal places when needed.
Radians, degrees and complete rotations: check 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
Convert \(\displaystyle \frac{7\pi }{6}\) radians to degrees.Enter one number or fraction. Round decimals to at least six decimal places when needed.
Radians, degrees and complete rotations: check 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
An arc has length 9 cm on a circle of radius 6 cm. Find its angle in radians.Enter one number or fraction. Round decimals to at least six decimal places when needed.
Radians, degrees and complete rotations: check 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
Which formula for arc length is valid when \(\theta\) is in radians?Choose one answer.
Radians, degrees and complete rotations: review variant 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
The radian measure of \(105^\circ\) is \(k\pi\). Find \(k\).Enter one number or fraction. Round decimals to at least six decimal places when needed.
Radians, degrees and complete rotations: review variant 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
Convert \(\displaystyle \frac{7\pi }{4}\) radians to degrees.Enter one number or fraction. Round decimals to at least six decimal places when needed.
Radians, degrees and complete rotations: review variant 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
An arc has length 18 cm on a radius-8 cm circle. Find its angle in radians.Enter one number or fraction. Round decimals to at least six decimal places when needed.
Radians, degrees and complete rotations: review variant 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
A sector has angle 2 radians and radius 5 cm. Find its arc length in cm.Enter one number or fraction. Round decimals to at least six decimal places when needed.