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GaryK [48]
3 years ago
13

Very important question ⁉️​

Mathematics
1 answer:
creativ13 [48]3 years ago
7 0

Answer: A △ABC such that the bisectors of ∠ABC and ∠ACB meet at a point O.

To prove :

∠BOC=90

o

+

2

1

​

∠A

Step-by-step explanation: In △BOC,

∠1+∠2+∠BOC=180

o

In △ABC,

∠A+∠B+∠C=180

o

∠A+2(∠1)+2(∠2)=180

o

2

∠A

​

+∠1+∠2=90

o

∠1+∠2=90

o

−

2

∠A

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