I did this earlier in the day :)
Answer:
1) At least two equal sides
2) One pair of equal angles
The formula for the number of degrees of an external polygon is
360/n where n is the number of sides
octogon has 8 sides
360/8=45
answer is 45 degrees
Step-by-step explanation:
Recall that

and

so that



where C is the constant of integration.
That answer is wrong the real answer is 12040 trust me i just had the question and i got it wrong so in stead of cheating i had to work it out and i did
in(0.30)/-0.0001=12039.72but it says round so the correct answer is 12040!!!!!