passpadi

2022

Mathematics

JAMB

In the diagram above, XY = 8cm and OX = 5cm. Find Oz

A.

9cm

B.

3.4cm

C.

9.1cm

D.

3cm

Correct Answer: 3cm

Explanation

hyp = 5cm, adj = 8cm/2 4cm, opp = xcm Pythagoras theorem: hyp2 = opp2 + adj2 52 = x2 + 42 x2 = 25 - 16 x = √9 x = 3cm

hyp = 5cm, adj = 8cm/2 4cm, opp = xcm Pythagoras theorem: hyp2 = opp2 + adj2 52 = x2 + 42 x2 = 25 - 16 x = √9 x = 3cm
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