ABCD in which AB=4Cm, Bc,6cm, Cd=5.5cmand Ac =8cm
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show the Pythagoras theorem =
bc² = dc²+bd²
bd² = bc²-dc²
bd² = 6cm²- 5.5cm²
bd = √6cm² -v5.5cm²
bd = √36cm - 30.5cm
bd = √6×6cm - 5.5×5.5cm
bd = 6√5.5cm
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