gabriellarussin gabriellarussin
  • 10-09-2019
  • Mathematics
contestada

Quadirateral ABCD~=quadirateral EF , what is the value of x?
A.) x=75
B.)x=80
C.)x=100
D.)x=105

Quadirateral ABCDquadirateral EF what is the value of x A x75 Bx80 Cx100 Dx105 class=

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joseaaronlara
joseaaronlara joseaaronlara
  • 10-09-2019

Answer:

The answer to your question is: letter C = 100

Step-by-step explanation:

∠A = 80    ∠B = 75 ∠C = x = ? ∠D = 105

The sum of the angles in a quadrilateral = 360°

Like ABCD ≈ EDFG the magnitude of the angles is the same

Then:

∠A + ∠B + ∠C + ∠D = 360

80 + 75 + ∠C + 105 = 360

∠C = 360 - 80 - 75 - 105

∠C = 100

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