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∠ AED is formed inside a circle by two intersecting chords. If minor arc BD = 70° and arc CA = 170° , what is the measure of ∠ AEC? A)120 B)240 C)70 D)100
Aiao
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Jun 24, 2023
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∠ AED is formed inside a circle by two intersecting chords. If minor arc BD = 70° and arc CA = 170° , what is the measure of ∠ AEC?
A)120
B)240
C)70
D)100
Mathematics
high-school
Aiao
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Jun 24, 2023
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Aiao
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So
mCA=170°
And
mBD=70°
Now
180-170=10°
From mBD
70-10=60°
Now
m<AEC
70+50=120°
Option A
Meolic
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Jun 30, 2023
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Meolic
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