I only know how to do 12 p 3, so here it is:
12/12-3=
12/9=
4/3=
4*3*2=24
Answer:

Step-by-step explanation:
The given triangle is isosceles. Therefore the base angles are equal.
This implies that,
.
To find
we add the interior add angles and equate to
.
This implies,

We substitute to obtain,

We evaluate to obtain,



We divide through by 3 to get.

Answer: 
<u>Simplify both sides of the equation</u>
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(Combine Like Terms)

<u>Subtract 1 from both sides</u>
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<u>Divide both sides by 2.2</u>
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