Question

In the following figure angle ABC=90° and BD perpendicular to AC if AD=8cm CD=2cm find the length of BD​

Answer 1

By the theorem of geometric mean

${bd}^{2} = ad \times cd$

${bd}^{2} = 8 \times 2$

${bd}^{2} = 16$

$bd = \sqrt{16}$

$bd = 4 cm$

Hope it helps you

Answer 2

Answer:

For this question the answer is BD=4cm is the correct answer

Step-by-step explanation:

a) 4cm

b) 6.8cm

c) 16cm

d) 10cm

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