The Year in Review Year 8 SACHS

• Area = πr²

• Area = 2πr

• Area = πd

• Area = 2πr²

• Circumference = πr²

• Circumference = 2πr

• Circumference = πd

• Circumference = 2πr²

The coloured section is

• a sector

• an arc

• a segment

• a semi-circle

• V = 12 cubes

• V = 10 cubes

• V = 8 cubes

• V = 14 cubes

• V = 25 cm³

• V = 175 cm³

• V = 75 cm³

• V = 100 cm³

• V = π × 8² × 15 cm³

• V = 2 × π × 8² × 15 cm³

• V = π × 4² × 15 cm³

• V = π × 8² + 15 cm³

The hypotenus is

• AB

• AC

• BC

• the square

• c² = 7² + 9²

• c² = 7 + 9

• c² = 9² – 7²

• c² = 7² – 9²

• x² = 4² + 6²

• 6² = x + 6

• 6² = x² + 4²

• 4² = x² + 6²

This is an example of

• reflection

• rotation

• translation

• a slide