loroloco71
16.09.2019 •
Mathematics
Given the above, which method would you use to prove abd ≅ acd? aas sss asa the two triangles are not congruent.
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Ответ:
AB = AC because triangle ABC is isosceles
BD = CD because triangle BDC is isosceles
AD is common to both triangles
conguent by SSS
Ответ:
SSS rule of congruency
Step-by-step explanation:
It is given that ΔABC is isosceles triangle and ΔBDC is also isosceles triangle.
Thus, AB=AC and BD=DC.
Now, consider ΔABD and ΔACD, we have
AB=AC (Because ΔABC is isosceles triangle)
AD=AD(Common side of both triangles)
BD=DC(Because ΔBDC is isosceles triangle)
Therefore, by SSS congruency rule,
ΔABD≅ΔACD
Hence proved.
Ответ:
20%
Step-by-step explanation:
x = (
) * 100% = 80%
x = 20%
Therefore the answer is 20%