(1)
110° 140° 110° x 150° 120° 140° |
(2)
80° 140° 100° 150° x 150° 130° |
(3)
80° 80° 150° x 80° |
(4)
x 140° 130° 140° 110° |
(1)
110° 140° 110° x 150° 120° 140° ∠x=900-(110+140+110+150+120+140)=130° |
(2)
80° 140° 100° 150° x 150° 130° ∠x=900-(80+140+100+150+150+130)=150° |
(3)
80° 80° 150° x A 80° ∠xの内角を∠Aとする. ∠A=540-(80+80+150+80)=150° ∠x=180-∠A=30° |
(4)
x A 140° 130° 140° 110° ∠xの内角を∠Aとする. ∠A=720-(90+140+130+140+110)=110° ∠x=180-∠A=70° |