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brilliants [131]
3 years ago
6

What’s common denominators for 2/5 and 3/5

Mathematics
1 answer:
MrMuchimi3 years ago
6 0

Answer:

5

Step-by-step explanation:

The fractions already have a common denominator of 5

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lora16 [44]
BE is parallel to CD, therefore, m∠BEC=m∠ECD, therefore mBC=mDE
BE is the diameter, so Arc BE is 180 degree
mBC+mCD+mDE=180
replace mCD with 3mBC, and replace mDE with mBC: mBC+3mBC+mBC=180
5mBC=180
mBC=180/5=36
mCD=3mBC=3*36=108
the inscirbed angle m∠ECD= the measure of arc DE=36
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