Fichas
Geometric rules

Fichas del conjunto (23)
- 1What is the geometric reason?Vertically opposite angles are equal.

- 2What geometric rule is this?Adjacent angles on a straight line add to 180°.

- 3Identify the geometric ruleAngles at a point add to 360°.

- 4What is the geometric reason?Corresponding angles on parallel lines are equal.

- 5What is the geometric rule for this image?Alternate angles on parallel lines are equal.

- 6Identify the rule for the image below.Co-interior angles on parallel lines add to 180°.

- 7What is the geometric reason for this triangle?Angles in a triangle add to 180°.

- 8Identify the rule for this triangle.The base angles of an isosceles triangle are equal.

- 9Identify the geometric rule for this triangle.Each angle in an equilateral triangle is 60°.

- 10What is the rule for this triangle?The exterior angle of a triangle equals the sum of the two interior opposite angles.

- 11What is the geometric rule?Interior angles in a quadrilateral add up to 360°.

- 12What is the geometric rule for the interior angles of this image?The interior angles of a polygon:
Sum = 180(n-2)°, where n is the number of sides.
- 13What is the rule for the exterior angles of this polygon?The exterior angles of a polygon add to 360°.

- 14What is the rule?Base angles of an isosceles triangle formed from the radii of a circle are equal.

- 15What is the geometric rule for this image?The angle at the centre is twice the angle at the circumference on the same arc.

- 16What is the geometric rule?The angle in a semi-circle is a right angle (90°)

- 17Identify the geometric rule for this image.Angles on the same arc are equal.

- 18What is the geometric rule?Opposite angles of a cyclic quadrilateral add to 180°.

- 19What is the rule for this image?The exterior angle of a cyclic quadrilateral is equal to the interior opposite angle.

- 20Identify the rule for this image.The angle where the radius meets the tangent is 90°.

- 21What is the geometric reason for this image?Tangents from a point to a circle are the same length.

- 22Identify this geometric rule.The perpendicular from the centre to the chord bisects the chord.

- 23What is the geometric reason for this image?The angle between a chord and a tangent is equal to the angle in the alternate (opposite) segment.

Información
- Descripción
- Includes rules for angles, lines, triangles, polygons and circles.
- Creado por
- hannah.ingram14
- Visitas
- 51
- Valoración