Answer:
100°
Step-by-step explanation:
the total of all angles around O on one side of AD is 180° (as that would represent a half-circle).
and the sum of the arc angles AB + BC + CD covers the whole 180°.
so, we have
180 = 55 + BC + 25
180 = 80 + BC
BC = 100°
Answer:
x=3
Step-by-step explanation:
BC=6
cos(60)=×÷6
×=3
Answer:
$400 OR
Step-by-step explanation:
$400 stays the same, 72 cents is 72/100. Simplify and voila
Answer:
The fourth one
Step-by-step explanation:
I know that is correct