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TombRaider167
01.07.2019 •
Mathematics
1. △abd≅△fec. what is m∠cfe? a. 45 degrees b. 63 degrees c. 72 degrees d. not enough information 2. △abd≅△fec what is the measure of bd? a. 8 b. 10 c. 18 d. not enough information
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Ответ:
1). Option B.
2). Option C.
Step-by-step explanation:
1). In the figure attached, ΔABD ≅ ΔCFE
Then corresponding parts of the congruent triangles will be equal.
Therefore, m∠CFE ≅ m∠BAD ≅ 63°
Option B will be the answer.
2. We have to find the measure of BD.
Since ΔABD ≅ ΔCFE
So side BD ≅ side EC ≅ (CD + DE)
m(side BD) = 8 + 10 = 18 units
Option C is the answer.
Ответ: