Quadrilaterals

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PORIFERA

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Geometric Figures

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CLIL ACTIVITIES "The very hungry caterpillar"

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Crystallography

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Quadrilaterals

Rhombus ◇

Rhombus has: - 2 lines of symmetry. - Opposite angles are equal. - All sides are equal. - 2 pairs of parallel sides. * Diagonals are not equal. * Diagonals are perpendicular. * Rotational symmetry of order 2 *Is a parallelogram with 4 congruent sides

Isosceles trapezium

Isosceles Trapezium has: - Exactly 1 pair of parallel sides - 1 pair of equal sides - 2 pairs of equal angles - 1 line of symmetry - Rotational symmetry of order 1 - Equal diagonals

Trapezium

Trapezium has: - Exactly 1 pair of parallel sides. - No equal sides. - No equal angles. - No lines of symmetry. - It could have right angle. * Diagonals are not equal * Rotational symmetry of order 1

Parallelogram

Parallelogram has: - No lines of symmetry - 2 pairs of equal opposite sides - 2 pairs of equal angles - Two pairs of parallel sides - Each opposite angles are equal * Diagonals bisect each other * Diagonals are not equal *Rotational symmetry of order 2

kite

Kite has: - 2 pairs of equal adjacent sides - The diagonals bisect each other at a right angle. - 1 pair of equal angles. - No parallel sides. * Diagonals are not equal * Diagonals are perpendicular * Rotational symmetry of order 1

Rectangle

Rectangle has: - 2 pairs of equal opposite sides. - 4 right angles - 2 lines of symmetry - Two pairs of parallel sides * Diagonals bisect each other. * Diagonals are equal * Rotational symmetry of order 2 * Is a parallelogram with 4 right angles

Square 🟧

Square has: - All sides are equal - 4 right angles - 4 lines of symmetry - Two pairs of parallel sides - Equal diagonals. * Diagonals are perpendicular * The diagonals bisect each other at a right angle. * Rotational symmetry of order 4 * Is a parallelogram with 4 equal sides and 4 right angles * Is a rhombus with 4 right angles * Is a rectangle with 4 congruent sides