S=22.17
Step-by-step explanation:
v/r=u/s
18/19=21/s
18s=21(19)
18s=399
18s/18=399/18
s=22.17
Equilateral triangles have three equal angles, so we right away know that x=60º. Then, we just solve (3(60)-70)º, which is 110º, for the answer.
It’s is 997/1000. Just put the number over the highest decimal place
The awnser is 96 because you would chose the one bigger or you wouldn't chose the one smaller so choose a medium number 96
