BrownieMan123
BrownieMan123 BrownieMan123
  • 19-11-2019
  • Mathematics
contestada

answer this if you're cool

answer this if youre cool class=

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michael804052
michael804052 michael804052
  • 19-11-2019
I’m doing this to in 8th grade I don’t understand it neither
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surjithayer10otahza surjithayer10otahza
  • 19-11-2019

Answer:

Step-by-step explanation:

∠B=65°

∠A+∠B+∠C+∠D=360

90+65+∠C+65=360

∠C=360-220=140°

AB=AD (given)

BC=BD (given)

so ∠B=∠D

also sum of four angles of a quadrilateral=360°

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