whondhyghold whondhyghold

01-09-2019
Mathematics

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find AC in the figure above with Pythagoras' theorem

find AC in the figure above with Pythagoras theorem class=

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jovianne jovianne

01-09-2019

by pythagoras theorem,
cb^2 = ac^2 + ab^2
5^2 = ac^2 + 3^2
ac^2 = 5^2 - 3^2 = 16
ac = squareroot 16 = 4cm

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