Answer:
30
Step-by-step explanation:
238,900/7,917=30.1755
Answer:
120°
Step-by-step explanation:
Opposite angles in a cross of 2 lines like this are equal;
A = 120 and B = D = 60°
You use the formula a² +b² =c²
so 4² +b² =8²
solve for b
Answer:
A
Step-by-step explanation: