All triangles have less than 4 lines of symmetry.
Hexagon
Done!
circle,rectangle,square,oval,octogon,hexagon
An angle of 140º is obtuse - that is, it is greater than 90º and less than 180º
cube, trangular prism , cube,
Any polygonal shape, other than a triangle can have perpendicular lines.
The number "4" fits the description of being less than 10 and having intersecting lines. The shape of the digit "4" features lines that cross each other, creating distinct angles. Other numbers like "A" or "X" could also be considered, but they are not single digits.
Hexagon
More than 5 lines but less than 10
Done!
An Square
Polygons that are rectangular
acute is the right answer, because an acute angle is less than 90 degrees so that way a shape that is less than 90 degees is acute
Yes
4
circle, sphere, cylinder
Pentagon