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Quadrilateral EFGH is rotated 90° clockwise about the origin to create quadrilateral JKLM. Both quadrilaterals are shown on the coordinate plane below.
What is the measure of ∠J ?

Quadrilateral EFGH is rotated 90° clockwise about the origin to create quadrilateral JKLM. Both quadrilaterals are shown on the coordinate plane below. What is class=

Answer :

sqdancefan

Answer:

  88°

Step-by-step explanation:

The names of the quadrilaterals tell you angle J corresponds to angle E. The measures of angles are not changed by rotation, which is a rigid transformation. Hence,

  ∠J ≅ ∠E = 88°

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