A
e) In Fig. 4, ABCD is a rectangle.
D
E
123°
Find the measure of ZECD.
B.
С
Fig. 4
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2
Step-by-step explanation:
in quad AECD
angle CDA =90 (ANGLE IN A RECTANGLE)
ANGLE DAE=90(ANGLE IN RECTANGLE)
AEC=123(GIVEN)
SUM OF ALL ANGLE IN QUAD=360
THEN
90+90+123+ANGLE ECD=360
303+ANGLE ECD=360
ANGLE ECD =360-303
ANGLE ECD=57
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8
Answer:
The given question is solved in the uploaded photo.
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