Answer:
12.5 pie , 39.25 using pie=3.14, and 39.28 to be exact
Step-by-step explanation:
BTW n=pie
10in= Diameter
5in=Radius
Area=n5^2
= 25n/2
=12.5n
12.5 times 3.14= 39.25
22/7 times 12.5= 39.2857143
Answer:
c=4 hope this helpss
Step-by-step explanation:
The question is incomplete without the diagram.
Answer:
Icosahedron + Tetrahedron
Octahedron +Tetrahedron
Step-by-step explanation:
Polyhedron 1: Solid:_Icosahedron__ Number: __1___
Solid:_Tetrahedron____ Number: _20____
Polyhedron 2: Solid:___Octahedron__ Number: __1___
Solid:__Tetrahedron___ Number: __8___
Answer:
395.5917959
Step-by-step explanation:
parallelogram area is 15 x 12
one half circle is 9^2
/2
the other is 7.5^2
/2
add all together
218 Students
109 Adults
Let x = adults
Let 2x = students
Add together and set equal to the total number.