1.

The area of the region\[R=\{(x,y):\left| x \right|\le \left| y \right|\] and \[{{x}^{2}}+{{y}^{2}}\le 1\}\] is

A. \[\frac{3\pi }{8}\] sq. unit
B. \[\frac{5\pi }{8}\] sq. unit
C. \[\frac{\pi }{2}\] sq. unit
D. \[\frac{\pi }{8}\] sq. unit
Answer» D. \[\frac{\pi }{8}\] sq. unit


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