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jek_recluse [69]
3 years ago
15

Find the measure of angle 2.

Mathematics
1 answer:
raketka [301]3 years ago
7 0

Answer:

m\angle 2=58^o

Step-by-step explanation:

see the attached figure with letters to better understand the problem

step 1

Find the measure of arc BC

we know that

arc\ AB+arc\ BC+arc\ AC=360^o ----> by complete circle

substitute the given values

156^o+arc\ BC+88^o=360^o

244^o+arc\ BC=360^o

arc\ BC=360^o-244^o=116^o

step 2

Find the measure of angle 2

we know that

The inscribed angle is half that of the arc it comprises.

so

m\angle 2=\frac{1}{2}[arc\ BC]

substitute

m\angle 2=\frac{1}{2}[116^o]=58^o

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