Someone pls answer the 9th question with explanation
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angle d is 90 degrees ad is 4 cm ac is 5 cm
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b) In the question it is said that angleA & angleB are bisectors
Hence,
angleBAC = angleDAC
angleBCA = angleACD
Therefore,
BA = DA = 4cm
BC = CD = 3cm
Using pythagoras theorem
(Base)^2 + (Altitude)^2 = (Hypotenuse)^2
3^2 + 4^2 = 9 + 16 = 25 (ie. 5^2)
Hypotenuse = 5
AC = 5cm
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