Answer:
9a+18=9
9a=-9
a=-1
Step-by-step explanation:
Answer:
7h+10
Step-by-step explanation:
16 cm
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Each method works diffrently the angles inside them is what matters.
Hello,
No a triangle with these angles are not unique. This is because every triangle is supposed to have 180 degrees, just like this one.
Have a great day!
