Pooja walks 16 km towards North. From there she walks 10 km towards South. Then, she walks 8 km towards East. How far is she from her starting point?
PR = (PQ – QR) = (16 – 10) = 6 km RS = 8 km So, Sonia’s distance from starting point P = √ 6² + 8² = √ 36 + 64 = √ 100 = 10 Km.
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