Question

ay In the given figure , LABC = 90° ,AD = 10cm , DB = 6 cm
and cd= 9cm Find the length of Ac
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Answer 1

Answer:

Step-by-step explanation:

1) In triangle ABD, Angle B = 90 degree,

Therefore by pythagorus theorum,

(AD)² = (AB)² + (DB)²

(10)² = (AB)² + (6)²

100 = (AB)² + 36

100-36 = (AB)²

64 = (AB)²

AB = 8cm

2) BC = BD + CD

         = 6 + 9

   BC = 15 cm

2) In triangle ABC, Angle B = 90 degree,

Therefore by pythagorus theorum,

(AC)² = (AB)² + (BC)²

        = (8)² + (15)²

        = 64 + 225

        =289

AC = 17cm

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Answer 2

Answer:

so ac=17cm

Step-by-step explanation:

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