Answer:
Explanation:
AC² = 25 + 9 - 15 cos120° = 34 - 15(- 0.5) = 41.5 ⇒ AC = √41.5 ≈ 6.442 cm ≠ EC
ΔABC doesn't congruent to ΔEDC
B and D also intersect at C
Step-by-step explanation: Instructions are unclear but it think that you are supposed to say the other pair that meets in a strait line
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