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What is a shape with crossing lines or open sides but not a polygon?
parallel lines.
Why should you keep kites away from power lines?
Quite obvious really. The kite makes a live connection between the ground and the power line - ie STRAIGHT THROUGH YOU. Even if it does burn out quickly - it's simply WAY too much of a risk to even think about it. Those power lines carry a lot of current and the slightest of surges WILL KILL YOU. Not only that - but in some areas, it is illegal to have such items close to power lines.
How many lines of symmetry does an open scallop have?
in reality, there are no lines since two sides can't be exaclty the same _ / l \ 4 lines
How do you get 9 to the negative 3 power?
open up
What does a quadrilateral with no lines of symmetry look like?
A squashed open box? Alternatively, a right-angle trapezium: ............................ .-------------....... .|..................\...... .|...................\..... .|....................\.... .|......................\.. .-----------------. ............................
