21
Step-by-step explanation:
because
7b
=7 × b
=7 × 3(b=3)
=21
Answer:
AC
Step-by-step explanation:
A chord is a line segment connecting two points on a circle.
Basically, it means that a chord is a line that has both endpoints on the edge of the circle.
Answer:
10
Step-by-step explanation:

Answer:
b = 33°
Step-by-step explanation:
A full circle is 360°.
360° - 296° - 31° = b
360° - 296° - 31° = 33°
I'm not sure how you want me to answer this question? WHat are you tryng to solve for?