please answer. It's necessary. and i will mark u the brainiest if i find ur ans correct. thanks. please help
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Answered by
3
Step-by-step explanation:
the value of a is 60....in the third qn
Answered by
0
Answer:
In ∆ABC,∆DBC
BC (Common)
AB=DC(given)
ABC=DCB=90°
.•. ∆ABC=~=∆DBC(SAS)
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