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In a square, there are four sides and four angles.
The sides are all equal and the angles are all right angles.
In a rectangle, there are four sides and four angles
The opposite sides are equal and the angles are all right angles.
There is no other shape in which all angles are right angles.
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Classify the triangle by its angles and by its sides?
All angles equal = all sides equal = equilateral. Two angles equal = two sides equal = isosceles. All angles different = all sides different = scalene. An isosceles or scalene triangle may be right-angled or obtuse-angled if one of its angles is a right angle or obtuse angle (respectively).
What is a shape that has all equal angles and 4 congruent sides?
A shape with 4 right angles and 4 equal sides is a square. ==========================
How many equal sides and right angles does an equilateral triangle have?
An equilateral triangle, has 3 equal sides and 3 equal angles. However, in a regular equilateral triangles, none of these angles are right angles (90 degrees), they are all 60 degrees.
Are the opposite sides of a square always parallel?
Yes. A square has two sets of equal and parallel opposite sides. All four sides and all four angles (right angles) are equal.
What are the similarities and differences of the 6 quadrilaterals?
All quadrilaterals have four sides. All have interior angles totalling 360 degrees. A scalene quadrilateral has no parallel sides. A trapezoid has one pair of parallel sides and one pair of non-parallel sides. A parallelogram has two pairs of parallel sides. Opposite angles are equal. A rectangle is a parallelogram with four right angles at the corners, and therefore all angles are equal. A rhombus is a parallelogram with all four sides equal. A square is a rhombus with four right angles, and therefore all four sides are equal and all four angles are equal. A square is also a parallelogram with four equal sides.
