Answer:
753.98224 cm^2
Step-by-step explanation:
A=2πrh+2πr2=2·π·8·7+2·π·82≈753.98224
82.8 cm measured to the nearest tenth of 80cm.
-16c - 8
sin A =cos B
sin A =opp/hyp =BC/AB
cos B=adj/hyp = BC/AB