These words related to geometry that are quite hard to define precisely are called the point, the line and the plane. They are called as such, not because you can't necessarily define them.
Answer:
Any equation with the same slope: for example y=-3/4x+10
Step-by-step explanation:
Cleavage: 2-dimensional surfaces are known as cleavage planes.
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Answer:
36°
Step-by-step explanation:
Each exterior angle is 360°/5 = 72°. This is the base angle of the isosceles triangle formed by drawing a line opposite angle y at the corners of the pentagons.
The angle y is ...
y = 180° -2(72°)
y = 36°
