Geometric rules

Question	Answer
What is the geometric reason? Image: 6a24134b-f200-475e-9def-36975da6cbdd (image/jpeg)	Vertically opposite angles are equal.
What geometric rule is this? Image: beeb8adb-9460-411a-a1a1-af29d40a55a2 (image/jpeg)	Adjacent angles on a straight line add to 180°.
Identify the geometric rule Image: e57c6435-44d9-47fe-8809-dd6ec4752b29 (image/jpeg)	Angles at a point add to 360°.
What is the geometric reason? Image: 5ca8c533-8d1a-4823-ad8b-487822a0c7fb (image/jpeg)	Corresponding angles on parallel lines are equal.
What is the geometric rule for this image? Image: 9823b416-6af1-44d1-b813-c8e1357d0b08 (image/jpeg)	Alternate angles on parallel lines are equal.
Identify the rule for the image below. Image: 41f20774-1805-4592-bf1e-67c105e243fa (image/jpeg)	Co-interior angles on parallel lines add to 180°.
What is the geometric reason for this triangle? Image: 99c85d3e-8c2a-403d-aded-b4ce96081bbf (image/jpeg)	Angles in a triangle add to 180°.
Identify the rule for this triangle. Image: 473005d6-4d13-4a76-8ba1-bf866a8e6db8 (image/jpeg)	The base angles of an isosceles triangle are equal.
Identify the geometric rule for this triangle. Image: c25a6bea-dfb3-4bba-9f63-f5a2d564e4c4 (image/jpeg)	Each angle in an equilateral triangle is 60°.
What is the rule for this triangle? Image: b5d8dfdb-0c64-4d32-9d7f-3ee19494d7e8 (image/jpeg)	The exterior angle of a triangle equals the sum of the two interior opposite angles.
What is the geometric rule? Image: 994e034e-7e77-4335-b82a-c0250f7a43f1 (image/jpeg)	Interior angles in a quadrilateral add up to 360°.
What is the geometric rule for the interior angles of this image? Image: f61c83d6-345f-4ab6-8bf8-e29c96c6ef07 (image/jpeg)	The interior angles of a polygon: Sum = 180(n-2)°, where n is the number of sides.
What is the rule for the exterior angles of this polygon? Image: 48bf16f4-45f7-496c-b1d7-446583c904c5 (image/jpeg)	The exterior angles of a polygon add to 360°.
What is the rule? Image: 4ab67656-8ee0-437a-8011-4bcb8d9139cb (image/jpeg)	Base angles of an isosceles triangle formed from the radii of a circle are equal.
What is the geometric rule for this image? Image: aebeaa47-549a-4b74-b868-9078a4367828 (image/jpeg)	The angle at the centre is twice the angle at the circumference on the same arc.
What is the geometric rule? Image: 2f861056-a7d2-4735-87e4-52cc84b3b591 (image/jpeg)	The angle in a semi-circle is a right angle (90°)
Identify the geometric rule for this image. Image: ba2d7625-b0f8-4d92-8ebd-10071ef8cf35 (image/jpeg)	Angles on the same arc are equal.
What is the geometric rule? Image: 3f00bf6e-dd4b-4699-8802-a5b72e53d380 (image/jpeg)	Opposite angles of a cyclic quadrilateral add to 180°.
What is the rule for this image? Image: 57772ed8-4d29-4e1e-a56a-acebb4ee23ab (image/jpeg)	The exterior angle of a cyclic quadrilateral is equal to the interior opposite angle.
Identify the rule for this image. Image: 1e81ecdc-3917-4fc4-b67a-3c6493613736 (image/jpeg)	The angle where the radius meets the tangent is 90°.
What is the geometric reason for this image? Image: b4416fa6-0846-49ac-9baf-d2d83c9f87f2 (image/jpeg)	Tangents from a point to a circle are the same length.
Identify this geometric rule. Image: 14127f10-b4dc-406a-ba7b-cd5afdbd50b8 (image/jpeg)	The perpendicular from the centre to the chord bisects the chord.
What is the geometric reason for this image? Image: fa57bcb8-cceb-4a9b-be0c-a18889ac504a (image/jpeg)	The angle between a chord and a tangent is equal to the angle in the alternate (opposite) segment.

Next up

Description

Resource summary

Similar

	Created by hannah.ingram14 over 8 years ago