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MA_775_DIABLO [31]
3 years ago
14

8. Point O is the circumcenter of the triangle ABC shown below.

Mathematics
1 answer:
Gnoma [55]3 years ago
8 0

Answer:

Option B. perpendicular bisector of side AB

Step-by-step explanation:

we know that

The circumcenter is the intersection point of the perpendicular bisectors of a triangle  

so

In this problem

The circumcenter O is the intersection point of perpendicular bisector of side AB and perpendicular bisector of side BC

OA=OB=OC ------> the radius of the circle that passes through all three of the triangle's vertices.

therefore

Option B. perpendicular bisector of side AB

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The hundreds digit and the ones digit of a three digit number are the same. The sum of its tree digits are 16. If the tens digit
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<h2>727</h2>

Step-by-step explanation:

       Let us denote the three digit number by abc, where a is the hundreds digit, b is the tens digit and c is the ones digit.

       Hundreds digit = a = Ones digit = c

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       So, 2c+b=16

       On exchanging tens and ones digit, value increases by 45. So acb is 45 greater than abc.

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       2c+b=16,c-b=5\\3c=21\\c=7=a\\b=2

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