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vova2212 [387]
3 years ago
11

In a right triangle ABC, CD is the angle bisector of the right angle C. Two lines DF and DE are parallel to the legs of the tria

ngle. Prove that DFCE is a square.
find the following
m∠CED = 180° − m∠ _____ = ___ by reason ________
m∠CFD = 180° − m∠ _____ = ___ by reason ________
Mathematics
1 answer:
Tcecarenko [31]3 years ago
7 0
<span>m∠CED = 180° − m∠DEB= 90 degrees, by reason corresponding angles of parallel lines are congruent
</span>m∠CFD = 180° − m∠AFD = 90 degrees by reason corresponding angles of parallel lines are congruent
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