ABC is an isosceles triangle inscribed in a circle with AB = AC and BT is tangent at B and
CBT = 40°, then C is equal to
A. 60
B.80
C.70
D.40
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Answer:
iam not sure about the answer...
Step-by-step explanation:
In ∆PBT, PT=6 cmNow, cos(∠P)=
PT
PB
⇒cos60°=
PT
PB
⇒
1
2
=
6
PB
∴PB=12 cm
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