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In a triangle PQR, XZ is parallel to QR, where X and Z are points on PQ and PR, respectively and PX = 3.5 cm, XQ = 7 cm and PZ = 2.5 cm, the length of ZR is? |
6 10.5 5 4.5 |
5 |
\(\Delta \)PXZ ∼ \(\Delta \)PQR \(\frac{PX}{XQ}\) = \(\frac{PZ}{ZR}\) \(\frac{3.5}{7}\) = \(\frac{2.5}{ZR}\) ZR = 5 |
