Here is your answer and result
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The answer is the third one need any more help let me know
Answer:
Step-by-step explanation:
the formula for circumference of a circle is 2 x pi x r(radius).
Your good its 80 one way you can always tell if its a triangle is if all the angles add up to 180
Answer:
1.6627 (money wise, $1.66)
Step-by-step explanation:
Since its 130%, you know there was already a whole increase. So first you would do 1.279 + 1.279, which would give you 2.558. Then you need to calculate 30% of 1.279 for the rest of the increase. That gives you 0.3837 Add 2.558 and 0.3837 together, which would give you 2.9417. To get the INCREASE, you would have to subtract the new total from the original price, so 2.9417 - 1.279. This would give you 1.6627.
