Answer:121
Step-by-step explanation:
Answer:
9/2 -9/2
Step-by-step explanation:
Hope this helps! ;-)
Answer:
x=15
Step-by-step explanation:
15+5=20
20/2=10
So, 15 =x
Answer:
1 and 2 are not polyhedrons, as a circle has infinite sides
1. cone, 1 vertex
2. sphere, nothing
3. pentagonal prism?
wait but can't every face be a base???
anyway 7 faces, 10 vertices
4. triangular prism
5 faces, 6 vertices
Step-by-step explanation:
A reflection will not change the measurement of the angle.
Angle a will still be 115 degrees.
