Set $up$ a definite integral that represents the area bounded $by$ the graphs $of$ the indicated equations over the given interval. Compute answers $to$ three decimal places. $[Hint$: A circle $of$ radius $r,$ with center $at$ the origin, has equation $x$ squared plus $y$ squared equals $r$ squared and area $pir$ squared $.]$

yequalsStartRoot $49$ minus $x$ squared EndRoot ; yequals $0$; negative $7$ less than $or$ equals $x$ less than $or$ equals $7$

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Part $1$

Set $up$ a definite integral that represents the area bounded $by$ the graphs $of$ the indicated equations over the given interval.$r,$ with center $at$ the origin, has

equation $x^2+y^2=r^2$ and area $r^2.y=\sqrt[\phantom{2}]{49-x^2}$;$y=0$;$-7x7$

Set $up$ a definite integral that represents the area bounded $by$ the graphs $of$

the indicated equations over the given interval.