Couldyou pls ans this question

Couldyou pls ans this question 4. 20121 In the given figure. A ABR - A PQR. If 30 cm. AB 45 cm. AP • 72 cm. QR 42 cm. find PR. AR and BR. p

Dear Student

since ABR~PQRso -PQBA=PRRA=RQBR3045=PRRA=42BRnow take  3045=42BR23=42BRBR=42×32=63 cmnow PRRA=233PR-2AR=0 ---(1)also PR+AR=72  -----(2)on solving (1) and (20 by elemination metod; we get5PR=144PR=1445=28.8 cmfrom (2) ; we get AR=72-28.8=49.2 cm

Regards

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