1 Answer

AshUK · Answer 1 · 2022-06-03T05:12:34+0000

Answer:

Explanation:

AC=
$\sqrt{20^(2) -12^(2) }$

AC=16

BC=16-10

BC=6

BD=
$\sqrt{12^(2) +6^(2) }$

BD=13.42(correct to nearest hundredth)

The perimeter of ΔDBC=13.42+6+12

= 31.42

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