Lets assume center point of circle as O
OD is the radius of circle . so OD is also 7
All the sides of the triangle are equal . so angle at the center O is 60 degree.
radius = 7
Length of arc CD =
=
=
=
Solve the system of linear equations by substitution. 2x-y=3 x+5y=14
1 answer:
You might be interested in
Answer:
5/17
Step-by-step explanation:
If we do the multiplication first, we get:
If we do the division next, we get:
Look in the images it is solved.
