Question

the sum of the six interior angles of a heptagon is 800 degree find 7th angle
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Answer 1

Answer:

100 degree

Step-by-step explanation:

Given,

the measure of 6 angles of the heptagon = 800 degrees

WKT,

The sum of all the angles of a heptagon equal to 900 degrees

So, The 7th angle of the = sum of all angles -

heptagon. the measure of 6 angles

= 900-800

= 100 degree

Hope it helps