The area of the closed figure bounded by $x=-1, \, x=2$ and $y= -x^2+2, \, x\leq 1$ and $y= 2x-1 ,\, x>1$ and the abscissa axis is ;

Semicircles are drawn outside by taking every side of regular hexagon as a diameter. The ;perimeter of hexagon is 60 cm. Find the area of complete figure formed as such.($\pi$ = 3.14) ($\sqrt3$ = 1.73)

দৃশ্যকল্প-১: $f(x)=x+1, g(x)=x-1, h(x)=x^{2}+9$

দৃশ্যকল্প-২: $y=\cos x$

The area of the region bounded by the curves $\mathrm{y}=\sqrt{x}$ and $y=\sqrt{4-3x}$ and $\mathrm{y}=0$ is:

Area of the region bounded by $y=x-[x],\ y=[x]$ and $\mathrm{x}$-axis in $[$0,2 $]$ is: