Answer:
the radius would be 26cm
Step-by-step explanation:
All of them are equal to 2.427
A = 2.427
B = 2.427
C = 2.427
D = 2.427
7x - 3 + 4x = 19
7x + 4x - 3 = 19
11x - 3 = 19 | + 3
11x - 3 + 3 = 19 + 3
11x = 22 | : 11
11x : 11 = 22 : 11
x = 2
Answer B.