Answer:
hey
Step-by-step explanation:
formula used here
<h2>cos inverse (-theta)= π- cos inverse theta</h2>
see the attachment above
option c
Answer: First one is B second one just make it
Step-by-step explanation:
Answer:
Volume = 14.5 cm³
Step-by-step explanation:
Volume of cone = 
<u><em>Where r = 2 and h = 3.46</em></u>
Volume = 
Volume = (3.14)(4)(1.15)
Volume = 14.5 cm³
Answer:
should be 12.56
Step-by-step explanation:
the formula to find the area of a circle is A= πr2
so what you do is mulitply 3.14 ( number of pi) times radius (half of what the diameter is) squared which is the radius times the radius
3.14 x 2 x 2 + 12.56