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EastWind [94]
3 years ago
14

What value of r is a solution to this equation? 387 divide by r = 9

Mathematics
1 answer:
Vlad1618 [11]3 years ago
8 0

Answer:

A. 43

Step-by-step explanation:

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pochemuha

This is the isosceles triangle. Therefore, the angles at the base are congruent.

We know that the sum of the measures of the angles in a triangle is 180°.

Therefore we have the equation:

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38^o+2x^o=180^o        <em>subtract 38 from both sides</em>

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Step-by-step explanation:

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Step-by-step explanation:

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