PQ and QR are 2 sides of a regular 12 sided polygon PR is a diagonal of the polygon work out the size of angle PQR Question PQ and QR are 2 sides of a regular 12 sided polygon PR is a diagonal of the polygon work out the size of angle PQR in progress 0 Math Nevaeh 3 days 2021-10-10T05:55:47+00:00 2021-10-10T05:55:47+00:00 2 Answers 0 views 0

## Answers ( )

Answer:PQR = 180° – 130°PR = 150°

The size of the a PQR

Given:PQare2sidesofaregularByformula,a×n=360°so,betweenPandQangleis90°Then,QRis12sidedpolygon,soa=?n=12a×n=a×12=360°a=360/12wea=30°Therefore,anglebetweenQandRis30°Thediagonal“PR“formatrianglelike,PQRweKnowthat,anglebetweenPQandQRare90°and30°anglebetween(PQ+QR+PR)=180°BY,PUTTHEVALUEOFPQandQR90°+30°+PR=180°PR=180°–120°PR=60°ThesizeoftheaPQRHopeIamanswerforyourquestionpleasemarkmeasthebrainliestandfollowme