The not$-$to$-$scale truss shown in $($Figure $1)$ with dimension $a=1\mathrm{.}6m$ is subjected to forces $P_1=25kN$ and $P_2=32kN.$

Solve Parts A through $C$ below.

Part A $-$ Reaction forces

Determine the magnitude of the reaction forces $A_x,A_y,$ and $D_y$ at each support.

Express your answers in $kN$ to three significant figures separated by commas.

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