Consider the three$-$hinged arch shown in $($Figure $1).$ Assume A$,$B$,$ and C are pin connected.

Take P$1$

$=60$ kN

and P$2$

$=90$ kN

PLEASE SHOW HOW TO SOLVE EQUATIONS

Determine the horizontal and vertical

components of reaction at A$.$

Determine the magnitudes of horizontal x

and vertical y

components of reaction at B

Determine the horizontal x

and vertical y

components of reaction at C$.$