Question

In the following right triangles , find the length of the unknown sides :
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Answer 1

$\large \bf {(PQ)}^{2} = {(PR )}^{2} - {(QR)}^{2} \\ \\ \tt = > {(PQ)}^{2} = {(26)}^{2} - {(24)}^{2} \\ \tt = > {(PQ)}^{2} = (26 + 24)(26 - 24) \\ \tt = > {(PQ)}^{2} = 50 \times 2 \\ \tt = > \: \: \: \: \: PQ = \sqrt{50 \times 2} = \sqrt{100} \\ \tt = > \: \: \: \: \: PQ = 10 \: cm$