Answer:
129 degrees
Step-by-step explanation:
is there more information
Answer:
Step-by-step explanation:
For a rectangular prism, a plane intersecting this prism produces a two dimensional figure as its cross section and in this case the cross section is a rectangle.
For a triangular prism, a plane intersecting this prism produces a two dimensional figure as its cross section and in this case the cross section is a triangle.
Answer:
X = 20
Step-by-step explanation:
The angle are supplementary:
- Meaning that the two angles = 180°
Equation:
Solve:
- 7x + x + 20 = 180
- 8x + 20 -20 = 180 - 20
- 8x = 160
- Divide 8 from both sides:
- <u>x = 20</u>
