Answer:
The first one
Step-by-step explanation:
Product is multiplying. when you multiply a letter with a number you don't put any symbols so it would be 8c
<span>circumference of circle = 2*pi*r
given r = 5
so circumference = 31.42
now we know 360 degree is uniformly distributed on this circumference
so x/360=10/31.42
so x= 114.65
so option C.) 114.65 is the answer</span>
Answer:

Step-by-step explanation:

Identity used:


Now let us divide the modified expressions:
÷ 
we get:

Answer:
APC is 90 degrees
Step-by-step explanation:
When lines intersect and are perpendicular. that means the angle of intersection is 90 degrees.
APC is 90 degrees