Answer:
10
Step-by-step explanation:
Calculating BC
BC = √2^2 + 11^2
BC = √ 4+121
BC = √ 125 = 11.18
to find measure of angle C use sinerule
sinC/C = sinA/A
sinC/2= Sin90/11.18
SinC = 2×1/11.18
sinC = 2/11.18
sinC = (0.1788)
C = sin^-1(0.1788)
C = 10.305
C = 10 (approximately)
