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in triangle pqr
​PQ = 4.2 cm
PR = 3 root 3 cm
QR = 7 cm 
angle p = 60 degree
angle q = 70 degree 

in triangle xyz
​XZ = 6 root 3 cm
XY = 14 cm
ZY = 8.4 cm


find the value of angle x
 

Dear student, 

We have,PQYZ = 4.28.4 = 12QRZX = 714 = 12PRYX = 3363 = 12In PQR and YZXPQYZ = QRZX = PRYXPQR~YZX  SSSR = X  Corresponding angles of similar 's are equalIn PQR,R = 180° - P + Q = 180° - 60° + 70° = 50°so, X = 50°
Regards

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