linacelina6027
24.06.2020 •
Mathematics
Can someone please help me please please
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Ответ:
AA similarity postulate
Step-by-step explanation:
B and D are corresponding angles who both have measures of 50 degrees, which makes one pair of angles for this postulate. The other pair are ACB and ECD, because they are vertical angles and therefore congruent. Since when two angles in two triangles are the same, the third must be the same as well, these triangles must be similar. Hope this helps!
Ответ:
A. b2 – 4ac = 7
Step-by-step explanation: