Answer:
√{6854×6854}=√6854²=±6854 is your answer
Step-by-step explanation:
B=25
:) Hope this helps you to your question
x = 60°
AOB Center: O AB: diameter
arc ADB = 180°
arc DB = 180 - arc AD = 80°
x = 1/2 x ( arc DB + arc AC) = 1/2 x (80 + 40) = 60°
