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Rudik [331]
3 years ago
14

Solve using substitutions! Help w this question please!!

Mathematics
1 answer:
Irina18 [472]3 years ago
6 0

I hope this helps you

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AB ← → is tangent to circle O at point A. If m∠AOB = 72degrees what is m∠ABO ?
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Answer:

m\angle ABO=18^o

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

If AB is tangent to circle O at point A

then

AB is perpendicular to AO (radius) and Triangle ABO is a right triangle

so

m\angle ABO+m\angle AOB=90^o ----> by complementary angles in a right triangle

substitute the given value

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3 years ago
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Neither is correct

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Trust me

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the scale model of a skyscraper being built is 4.2 feet tall when it is finished the skyscraper will be 525 meters tall what sca
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