2022
Mathematics
67ca00ce0c643c71d77dee1f
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 = 3cmTHIS WEEK's
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