Answer:68.2
Step-by-step explanation:
cos6=71/EF
cos6= 0.960170286650366
0.960170286650366= 71/EF
0.960170286650366*71=EF
EF= 68.2
Answer:
51
Step-by-step explanation:
See the other answer
Answer:
= 3/2
Step-by-step explanation:
V = 1/3 x area of base x h
So area of base = 3V/h
= 3(12) / 24
= 36/24
= 3/2