Respuesta :
Answer:
I think that BC would be 10 degree angle because there are 180 degrees in a triangle and is A is 90 B is 60 and AB is 20 thats 170 leaving 10 left over
Step-by-step explanation:
Answer:
Im not sure if i'm correct, but i think the answer is BC= 40ft
Step-by-step explanation:
30º 60º 90º Triangle (i think)
x= 20ft
2x = 40ft
x sqaureroot of 3 = 20 squareroot of 3
