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A TRIANGLE PQR IS DRAWN TO CIRCUMSCRIBEA CIRCLE OF RADIUS 6CM SUCH THAT THE LINE SEGMENT QT AND TR INTO WHICH QR IS DIVIDED BY THE POINT OF CONTACT T ARE OF LENGHT 12 AND 9 CM RESPECTIVELY.IF THE AREA OF TRIANGLE PQR =189CMSq.FIND THE LENGHT OF SIDE PQ AND PR?

A TRIANGLE PQR IS DRAWN TO CIRCUMSCRIBEA CIRCLE OF RADIUS 6CM SUCH THAT THE LINE SEGMENT QT AND TR INTO WHICH QR IS DIVIDED BY THE POINT OF CONTACT T ARE OF LENGHT 12 AND 9 CM RESPECTIVELY.IF THE AREA OF TRIANGLE PQR =189CMSq.FIND THE LENGHT OF SIDE PQ AND PR?

Grade:10

1 Answers

Tejas Paresh Lodaya
33 Points
11 years ago

area of triangle pqr = 189cm2 

1/2 *base*hieght 

base=pr=21

hieght=pt=x+4

1/2*21*(x+4)=189

x=10.4

plz approve....!!!

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