beatrizndxavier beatrizndxavier
  • 02-06-2017
  • Mathematics
contestada

In triangle ABC, AB=BC and (C's measurement is 65°.) What is the measurement of angle B.?

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Lorenzo07
Lorenzo07 Lorenzo07
  • 02-06-2017
"AB=BC" Meaning this is an isoceles triangle

Thus 
∠C is an angle Identical to ∠A
And given the rule of thumb; "every angle on a triangle. must add up to 180°"

∠A + ∠C = 130°
180° - 130° = ∠B

∠B = 50°
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MissDanica1
MissDanica1 MissDanica1
  • 02-06-2017
50 degrees is the measurement of a Angle b!

Good luck!
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