6) Angles

Question 1

What are 2 shapes when they are exactly the same shape and size?

Answer 1

Congruent.

Question 2

What are parallel lines shown with?

Answer 2

Arrows.

Question 3

Are alternate angles equal?

Answer 3

Yes.

Question 4

Are corresponding angles equal?

Answer 4

Yes.

Question 5

What do the angles in a triangle always add up to?

Answer 5

180°.

Question 6

What does an exterior angle of a triangle equal?

Answer 6

Sum of the 2 interior angles on the opposite side of the triangle.

Question 7

What does a regular polygon have?

Answer 7

All equal sides + all equal interior angles.

Question 8

What does an irregular polygon have?

Answer 8

Unequal sides + unequal interior angles.

Question 9

What do the exterior angles of any polygon always add up to?

Answer 9

360°.

Question 10

What is the equation for calculating the exterior angle of a regular polygon?

Answer 10

Exterior angle of a regular polygon = 360° ÷ number of side.

Question 11

What do any pair of interior and exterior angles always add up to?

Answer 11

180°.

Question 12

For shapes that tesselate(fit together) what must all the angles where the shapes meet add up to?

Answer 12

360°.

Question 13

What is the sum of the interior angles of any n-sided polygon?

Answer 13

(N-2) * 180°.

Question 14

What does ‘notation’ mean?

Answer 14

Symbols.

Question 15

What does ‘=’ mean?

Answer 15

Equal to.

Question 16

What does ‘°’ mean?

Answer 16

Degrees.

Question 17

What does a square drawn on an ‘‘L’ mean?

Answer 17

Right angles.