You will use the GeoGebra geometry tool to investigate whether two pairs of corresponding angles in two triangles are enough to

Question

You will use the GeoGebra geometry tool to investigate whether two pairs of corresponding angles in two triangles are enough to prove that the two triangles are similar Open the GeoGebra activity to complete each step below For help watch these short videos about using GeoGebra to draw points lines and angles and use the measurement tools Part A Create a random triangle AABC Measure and record its angles BIX X 14pt v AVA Angle Measure ZCAB ZABC ZACB Space used includes formatting 803 15000 Part B Now you will attempt to copy your original triangle using two of its angles Draw a new line segment DE of any length and parallel to AB from AABC You can draw DE anywhere on the coordinate plane but not on top of AABC From point D create an angle with the same measure as ZCAB From point E create an angle with the same measure as ZABC Draw rays from points D and E to E and D respectively to form the angles Label the point of intersection of the two rays F Draw ADEF by creating a polygon through points D E and F K Record the measures of the angles of ADEF Take a screenshot of your results save it and insert the image below the table BIY X X 14pt Angle Measure EDE AVA S A

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