The radian measure of $45^\circ$ is:
A$\dfrac{\pi}{3}$
B$\dfrac{\pi}{6}$
C$\dfrac{\pi}{4}$
D$\dfrac{\pi}{2}$
Answer & Solution
Correct answer: C. $\dfrac{\pi}{4}$
45° × (π/180) = π/4 radians.
Related questions
The definite integral's sign for a curve below the axis is:A large number of very thin strips are added to approximate the:Curves whose areas are found include circles, parabolas and:The ordinates bounding the area are drawn at x equals a and:The strips used to build up area have width written as:The application of integrals studied here is finding:A later section treats the area between how many curves?Finding the area bounded by a curve is described as a way that is easy and: