The total angle sum of a triangle is 180°
As such, 180= 78 + 2s +4s
102= 6s
s=17
Answer:c
Step-by-step explanation:
Answer:
diameter
Step-by-step explanation:
BD is the diameter of the circle.
Answer:
Root( c square -9)
Step-by-step explanation:
The answer u have is the answer for a^2