Question

1. Calculate the length of the unknown side in each of the following right-angled triangles.
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Answer 1

Answer:

10 cm

Step-by-step explanation:

By pythagorus theorem,

8

${8}^{2} + {6}^{2}$

=roor(100)

=10 cm

Answer 2

Let required triangle be ABC

AB = 8cm

BC = 6cm

By using Pythagoras theorem,

AC² = BC² + AB²

AC² = 8² + 6²

AC² = 64 + 36

AC² = 100

AC = √100

AC = 10cm

.°. Here unknown side = 10cm

HOPE IT HELPS☺