Using a ruler and a pair of compasses only, construct triangle/PQR/ is equals to 6cm, angle PQR is equals to 45degrees and angle QPR is equals to 45degrees.
Construct the perpendicular bisectors of/PQ/and/QR/name their meeting point Z.
Using Z as center and/PZ/ as radius,draw a circle.
Measure/PR/and /QR/.
Measure angle QRP.​