Which triangle is a 30°-60°-90° triangle?
10
10
Ο
5
5/3
Ο
5
15
5/3
10
10
O
5
10/3
15
10
5/3
10
10
Ο
5
5/3
Ο
5
15
5/3
10
10
O
5
10/3
15
10
5/3