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10 cards from this deck
s=rθs = r\thetas=rθ
Angle in radians
A=12r2θA = \frac{1}{2}r^2\thetaA=21r2θ
l=2πr×Θ360l = 2\pi r \times \frac{\Theta}{360}l=2πr×360Θ
A=πr2×Θ360A = \pi r^2 \times \frac{\Theta}{360}A=πr2×360Θ
5π2\frac{5\pi}{2}25π cm
6π6\pi6π cm²
When angle is in radians
0.803 radians
Radius of the circle
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