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04-05-2022
Mathematics

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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

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 A120 B240 C70 D100 class=

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Аноним Аноним

05-05-2022

So

mCA=170°

And

mBD=70°

Now

180-170=10°

From mBD

70-10=60°

Now

m<AEC

70+50=120°

Option A

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