1) m∠1 = 360°/8 = 45° . . . . . a regular octagon is 8-way rotationally symmetrical, so each sector is 1/8 of a circle.
2) m∠2 = (180° -45°)/2 = 67.5° . . . . . . the angles of a triangle add to 180°. The base angles of an isosceles triangle are equal.
Answer: 1/5
Explanation: 8/40 simplified in half is 4/20 then 2/10 then 1/5!
The answer would be "true"<span />
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Hello!</h2>
The answer is: the addition property
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Why?</h2>
Addition property states that:
if: 
Then,
So,
Let:
So,
Have a nice day!
2x < 10
Solving:
Divide each side by 2
x < 5
Hope this helps!
