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Do quadrilaterals have at least one acute angle?
Not necessarily. Rectangles are quadrilaterals and have no acute angles.
Do rectangles have any right angles?
Yes. Rectangles have four right angles.
What contains acute interior angles?
Any polygon can contain acute interior angles.
What shape has four acute angles?
Any shape with 4 acute angles must have more than 4 sides. Any shape with more than 4 sides can have 4 acute angles (but doesn't have to).
What 2D shapes has 2 or more acute angles?
Just about any shape that isn't a circle can have two or more acute angles. But with some of them, you need to make them have acute angles.
Do quadrilaterals have at least one acute angle?
Not necessarily. Rectangles are quadrilaterals and have no acute angles.
Do rectangles have any right angles?
Yes. Rectangles have four right angles.
Does a decagon have any acute angles?
A decagon can have acute angles.
Is rectangle a parallellogram?
Yes. A rectangle is a parallelogram that has right angles instead of acute and oblique angles at the corners. But not all parallelograms are rectangles.
Why are obtuse angles important in tesselation?
Obtuse angles are no more important than acute or right angles. The commonest tessellation uses squares (or rectangles) and these have right angles - not obtuse.
How do you draw a rectangle with a acute angle?
You can't, it's impossible since rectangles have all right angles.
What contains acute interior angles?
Any polygon can contain acute interior angles.
Which quadrilaterals have opposite angles congruent?
A square and a rectangle have opposite equal 90 degree angles. A parallelogram and a rhombus have 2 opposite equal acute angles and 2 opposite equal obtuse angles.
What shape has four acute angles?
Any shape with 4 acute angles must have more than 4 sides. Any shape with more than 4 sides can have 4 acute angles (but doesn't have to).
How are rectangles and parrolelograms different?
They are both 4 sided quadrilaterals but a rectangle has 4 right angles whereas a parallelogram has 2 equal opposite acute angles and 2 equal opposite obtuse angles.
What 2D shapes has 2 or more acute angles?
Just about any shape that isn't a circle can have two or more acute angles. But with some of them, you need to make them have acute angles.
Are the adjacent sides of rhombus perpendicular?
No. This is only true of squares and rectangles. Perpendicular means that the sides meet in a right angle. A rhombus has two acute angles and two obtuse angles.
