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Geometry, NAP-J4-CA15 SA

What is the size of the angle marked `x` in the diagram below?

  `text(degrees)`
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`65°`

Show Worked Solution

`text(Sum of internal angles)\ = 360°`

`:. x` `= 360 – (102 + 115 + 78)`
  `= 65°`

Filed Under: Triangles and Other Geometric Properties, Triangles and Other Geometric Properties, Triangles and Other Geometric Properties Tagged With: Band 8, smc-3165-20-Quadrilateral – find angle, smc-3189-20-Quadrilaterals – find angle, smc-680-20-Quadrilaterals - find angle

Geometry, NAP-F3-CA15

 
What is the size of the missing angle?

`30^@` `40^@` `50^@` `60^@` `70^@`
 
 
 
 
 
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`30^@`

Show Worked Solution
`text(Angle)` `= 360 – (130 + 140 + 60)`
  `= 360 – 330`
  `= 30^@`

Filed Under: Triangles and Other Geometric Properties, Triangles and Other Geometric Properties Tagged With: Band 7, smc-3165-20-Quadrilateral – find angle, smc-679-20-Quadrilateral - find angle

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