Question

will mark brainliest
plz answer
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Answer 1

Answer:

30cm

Step-by-step explanation:

IN TRIANGLE ABD,

ACC. TO PYTHAGORAS THEOREM

(AD)²+(AB)²=(BD)²

(3)²+(4)²= (BD)²

BD= 5cm

IN TRIANGLE BCD,

ACC. TO PYTHAGORAS THEOREM

(BD)²+ (DC)²= (BC)²

(5)²+(DC)²= (13)²

DC= 12cm

FOR PERIMETER OF BCD,

BD+ DV+ BC

=5+12+13

= 30cm

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