sky234567 sky234567
  • 02-03-2018
  • Mathematics
contestada

Question 10-12 geometry

Question 1012 geometry class=

Respuesta :

choixongdong
choixongdong choixongdong
  • 02-03-2018
10)
(n-2) x 180 = 2160
n - 2 = 12
n = 14

answer
C. 14

11)
interior angle = [(11 - 2) x 180] / 11
= (9 x 180) / 11
= 1620/11
= 147.27

exterior angle = 180 - 147.27 = 32.72

12)
heptagon  has 7 sides, n = 7
interior angle = [(5 x 180)/7 = 900 / 7  = 128.57
Answer Link

Otras preguntas

Benefits of walking 2 hours a day
Love and happiness are both examples of what kind of noun?
Do you put negative numbers in the quadratic formula
What is the volume (in cubic centimeters) of a cube with 4cm sides?
Which describes the increase in volume of matter when it is heated? vaporization growth thermal expansion evaporation energy surge
Choose the major environmental concern in Central America. drought frost overpopulation rain forest protection
The British blockade had hurt New England’s sea trade. Also, many New Englanders feared that the United States might win land in Florida and Canada. If new stat
6 and 2/3 × 3 and 2/3
Affinity healthcare was fined over $1 million for a security breach that came about because of _____________.
Explain the rise of the second party system. how would characterize american politics in the early 1840s