Answer:
The final interior angle = 124°
Step-by-step explanation:
A heptagon has 7 sides. The sum of the interior angles formula:
The sum of the interior angles = (n - 2)180 where n = number of sides.
The sum of the interior angles= (7 - 2)180° = 900°
Six interior angles = 776°.
The final interior angle + six interior angle = 900°
The final interior angle + 776° = 900°
The final interior angle = 900° - 776°
The final interior angle = 124°
Http://www.madeiracityschools.org/userfiles/376/Classes/17052/Review%20Worksheet%20Unit%209%20Quiz%2...
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Answer:
a) 31.4 cm b) 22.0 cm c) 9.4 mm d) 18.8 m e) 1.6 m f) 28.3 cm g) 78.5 cm h) 9.7 m
Step-by-step explanation:
All it really is multiply the diameter which is the straight line through the center of the circle
C = d × \pi
- b = 5
isolate the b by dividing -1 to both sides
-b(/-1) = 5(/-1)
b = 5/ -1
b = -5
b + 20
(-5) + 20 = 15
15 is your answer
hope this helps
