if the perimeter of triangle pqr is 22 cm and the lengths of two of its side are 5.7 cm &11.9 cm ,find the length of its third side .
Answers
Answered by
3
Step-by-step explanation:
=5.7cm+11.9cm+x=22cm
=17.6cm+x=22cm
=x=22cm-17.6cm
=x=4.4cm
Answered by
3
Answer:
4.4cm
Step-by-step explanation:
Let the three sides be PQ, QR and RS
PQ= 5.7 cm
QR=11.9 cm
PQ+ QR+ RS= 22cm
5.7 + 11.9 + RS = 22cm
17.6+ RS= 22cm
RS=22-17.6
RS=4.4cm
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