An equilateral triangle ABC is inscribed in a circle with center o. What will be the measure of /boc
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2
120 ° ...................
in equilatral △
all sides are 60 °
so one ∠ will half of ark
∠ ABC = 1/2 m(arc AB)
so ∠ ABC×2=m arcAB opposite to it and so the arc will 120 °
box is central ∠
arc opposite will same as arc and so the ∠ will also the same
.......central ∠ theorem
in equilatral △
all sides are 60 °
so one ∠ will half of ark
∠ ABC = 1/2 m(arc AB)
so ∠ ABC×2=m arcAB opposite to it and so the arc will 120 °
box is central ∠
arc opposite will same as arc and so the ∠ will also the same
.......central ∠ theorem
aditi15747:
how
Mark as brainiest answer
Answered by
1
Answer:
Step-by-step explanation:
angle subtended by an arc at the centre is double the angle subtended by it on any other part
<boc= 2 * 60 = 120
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