Maths - Angle Facts | Olly Britton

Visualise corresponding angles?

PHOTO CORR Angles in this layout are called what?

Corresponding angles.

What is special about corresponding angles?

They are equal.

Visualise alternating angles?

What shape do alternating angles make?

Z

PHOTO ALT Angles in this layout are called what?

Alternating angles.

What is special about alternating angles?

They are equal.

Visualise vertically opposite angles?

PHOTO VERT Angles in this layout are called what?

Alternating angles.

Angles that add up to $90^{\circ}$ are called what?

Complementary angles.

Angles that add up to $180^{\circ}$ are called what?

Supplementary angles.

Visualise co-interior angles?

PHOTO COINT Angles in this layout are called what?

Co-interior angles.

What is special about co-interior angles?

They add up to $180^{\circ}$.