Question

The sum of the measures of seven interior angles of an octagon is 1000.
What is the measure of the eighth interior angle?​

Answer 1

Answer:

Step-by-step explanation:

sum of measure of an octagon is 1080 degree

sum of seven angles is given=1000

so sum of 8th angle will be 1080-1000=80 degree

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Answer 2

the sum of seven interior angle is =1080

so the sum of 8th angle will be=1080-1000=80