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Find the measure of ABC. Show your work.
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Find the measure of ABC. Show your work.

Find the measure of ABC. Show your work.-example-1
User Afonso Tsukamoto
by
5.7k points

1 Answer

3 votes

Answer:


m\angle ABC=47^o

Explanation:

we know that

The measure of the external angle is the semi-difference of the arches it covers

so


m\angle ABC=(1)/(2)[arc\ DE-arc\ AC]

substitute the given values


m\angle ABC=(1)/(2)[142^o-48^o]


m\angle ABC=47^o

User Anshita Singh
by
5.6k points
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