The floor angle's measure of heptagon is 135°
Measure of the remaining angles
Sum of interior angles of heptagon is 900°
135 x 4 + 3x = 900°
3x = 900° - 540° = 360° = x 360° ÷ 3 = 120°
Therefore, the measure of the remaining angles of the heptagon is 120°
There is no 120° on the choices
Possible answer 115°
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Given
The floor angle's measure of heptagon is 135°
To Find
Measure of the remaining angles
Solution
Sum of interior angles of heptagon is 900°
135 x 4 + 3x = 900°
3x = 900° - 540° = 360° = x 360° ÷ 3 = 120°
Answer
Therefore, the measure of the remaining angles of the heptagon is 120°
There is no 120° on the choices
Possible answer 115°