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Ksju [112]
3 years ago
15

PLEASE I NEED HELP PLEASEExpress the sum of the angles of this triangle in two different ways

Mathematics
1 answer:
Alika [10]3 years ago
4 0

Answer:

x=60

Step-by-step explanation:

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Find the value of b.
Nesterboy [21]

Answer: 230^{\circ

Step-by-step explanation:

For convenience, I labeled some points as shown in the attached picture.

Also, I assume \overline{AB} and \overline{BC} are tangents to the circle.

  1. \overline{BO} \cong \overline{BO} (reflexive property)
  2. \overline{AB} \cong \overline{BC} (tangents drawn from a common external point are congruent)
  3. \angle BAO \cong \angle BCO (right angles are congruent)

Therefore, we know \triangle ABO \cong \triangle CBO by HL.

Thus, by CPCTC,

\angle AOB \cong \angle BOC \implies m\angle BOC=65^{\circ}\\\\\implies m\angle AOC=130^{\circ}

This means the measure of minor arc AC is 130^{\circ}, and thus b=360^{\circ}-130^{\circ}=\boxed{230^{\circ}}

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2 years ago
PLSSS HELP ME ASAPPPPPPP​
Greeley [361]
THE ANSWER IS B $115 plz mark me brainliest i want points :’)
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3 years ago
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PLEASE HELP ASAP! 30 points!
rusak2 [61]
200=2m+18
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PC=PD then (PA)PC)=(PB)(___)
yKpoI14uk [10]

Answer:

PD is the answer

Step-by-step explanation:

(PA) (PC) = (PB) (PD)

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3 years ago
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