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ezy53
23.09.2020 •
Mathematics
Vera is using her phone. Its battery life is down to 2/5, and it drains another1/9 every hour. How many hours will her battery last?
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Ответ:
4.Angle B =Angle B
Reason: Reflexive property of equality
5.Triangle BDE is similar to triangle BAC
Reason: AA similarity postulate
Step-by-step explanation:
In triangle ABC
Segment DE is parallel to segment AC.
1.Segment DE is parallel to AC
Reason: Given
2.Line segment AB is a transversal line which intersects two parallel lines
Reason:Conclusion from statement 1
3.Angle BDE congruent to angle BAC
Reason: Corresponding angles postulate
4.Angle B =Angle B
Reason: Reflexive property of equality
5.Triangle BDE is similar to triangle BAC
Reason: AA similarity postulate
6.BD over BA equals BE over BC.
Reason:When two triangles are similar then the ratio of their corresponding sides are equal