Question

Find l (BD) from the given figure. [Note: AD=30. 5]

Answer 1

It's simple wait
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Answer 2

u can see that hyp is divided into two equal parts. and 1 part is 30.5
so double it.
hyp =61cm
as the b(AB) is 11
h(BC) will be 60
because
11,60 and 61
is a Pythagorean triplet
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