Question

In triangle ABC,AD perpendicular to BC.AC is 12cm,AB is 5cm and AD is 3cm find BC​

Answer 1

HEY, BRO HERE IS YOUR ANSWER

ABC IS TRIANGLE

AD IS PERPENDICULAR

AB=5CM,AD=3CM

BD²=AB²-AD² (PHYTHOGORUS THEOREM)

BD²=5²-3²

=25-9

BD²=16

BD=4cm

BD=DC

BC=BD+DC

BC=8cm

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