footballswag22pajtxa
footballswag22pajtxa footballswag22pajtxa
  • 23-06-2018
  • Mathematics
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ABCD is a kite, find the measure of angle B

ABCD is a kite find the measure of angle B class=

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Supernova
Supernova Supernova
  • 23-06-2018
If ABCD is a kite, then ∠A and ∠C must be equal to each other.
∠A = ∠C, so ∠C = 87°.

ABCD is a quadrilateral, so all of its interior angles must add up to 360°. We know 3 of the 4 angles, so we'll add them up and subtract the answer from 360.

∠A + ∠C + ∠D ⇒ 87 + 87 + 115 = 289
360 - 289 = 71

m∠B = 71°
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LAS040103
LAS040103 LAS040103
  • 23-06-2018
Yes that’s correct the answer is D because it would have to add up to 360
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