The two triangles formed will be ADB and BCD
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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: just plug in the values it gives you and then it's simple addition and subtraction.
Step-by-step explanation:
Answer:
67.20$
Step-by-step explanation:
multiply 56 by 1.2