Complement adds to 90
complement of A is 90-A
supplement is adds to 180
supplemetn of A is 180-A
2(90-A) is -40+180-A
2(90-A)=-40+180-A
2(90-A)=140-A
distribute
180-2A=140-A
add 2A to both sides
180=140+A
minus 140 both sides
40=A
A=40 degres
H=2ft
d=6 ft
r=d/2
r=6/2=3ft
V= π•r^2•h
V=3.14•3^2•2
V=3.14•9•2
V=56.52 ft3
V~56.5ft3
Answer:
C=2 x pi x radius
Step-by-step explanation:
C) m∠5 + m∠6 =180°
D) m∠2 + m∠3 = m∠6
E) m∠2 + m∠3 + m∠5 = 180°
Step-by-step explanation:
TRUST ME! JUST TOOK MY QUIZ ON E2020