Question

If in a triangle PQR , right angled triangle at Q , PQ=,4.6 cm and QR=4.29 cm , then what is the length of the side PR?

Answer 1

Dear Student,
$$\begin{gathered} TriangleisrightangledatQ. \\ AsperPythagorasTheorem, \\ P{Q}^2+Q{R}^2=P{R}^2 \\ i.e{(4.6)}^2+{(4.29)}^2=P{R}^2 \\ i.ePR=\sqrt{21.16+18.4}=\sqrt{39.56} \\ i.ePR=6.29cm \end{gathered}$$
Regards.