Angle a +angle b = 180 degrees
angle a + angle a + 30 = 180
2*angle a = 150
angle a = 75degrees
angle b = 75+30 = 105 degrees
now, angle b +angle c = 180
so, angle c = 180-105 = 75 degrees
.24 = 24/100 = 12/50 = 6/25
R = n/3 (b + k)
3r = n(b + k)
b + k = 3r/n
k = 3r/n - b
Answer:
1/16
Step-by-step explanation:
