(1) ∠a,∠b を求めなさい.
a 30° 65° b |
(2) ∠a,∠b を求めなさい.
55° a b 60° |
(3) ∠a,∠b を求めなさい.
a 40° 100° b |
(4) ∠a,∠b を求めなさい.
a 60° b 80° |
(5) ∠a,∠b を求めなさい.
100° a b 45° |
(6) ∠a,∠b を求めなさい.
a 95° b 55° |
(1) ∠a,∠b を求めなさい.
a 30° 65° b ∠b=180−30−65=85° |
(2) ∠a,∠b を求めなさい.
55° a b 60° ∠b=180−55−60=65° |
(3) ∠a,∠b を求めなさい.
a 40° 100° b ∠b=180−40−100=40° |
(4) ∠a,∠b を求めなさい.
a 60° b 80° ∠b=180−60−80=40° |
(5) ∠a,∠b を求めなさい.
100° a b 45° ∠b=180−100−45=35° |
(6) ∠a,∠b を求めなさい.
a 95° b 55° ∠b=180−95−55=30° |