Question
In figure. $\triangle\text{PQR}\cong\triangle$ _______.
✓
Answer
In $\triangle\text{PQR}$ and $\triangle\text{RSP},$
$QR = SP = 4.1\ cm$
$PR = PR [$common side$]$
$\angle\text{SPR}=\angle\text{QRP}=45^{\circ}$
By SAS congruence criterion, $\triangle\text{PQR}\cong\triangle\text{RSP}.$
$QR = SP = 4.1\ cm$
$PR = PR [$common side$]$
$\angle\text{SPR}=\angle\text{QRP}=45^{\circ}$
By SAS congruence criterion, $\triangle\text{PQR}\cong\triangle\text{RSP}.$
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