The exterior and an interior angles always add up to 180 degrees.
180-150=One exterior angle
180-150=30
We know that all of the exterior angles add up to 360
360/30= the number of sides
360/30=12
The shape has 12 sides.
Hello,
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Answer B
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2x²+28x-5=2(x²+2*7x+49)-5-2*48
=2(x+7)²-103
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Answer:
55 times 6 is 330 + 40 would be 370 so i dont see how it could be D -101
Answer:
The answer is B. I plugged it into a graphing calculator. Hope this helped :)
Step-by-step explanation:
