Topic 3 - Shapes

Question 1

alternative angles

Answer 1

z shape
equal
opposite to each other on the parallel line

Question 2

co-interior/interior angles

Answer 2

C shape

add up to 180 degrees

Question 3

opposite angles

Answer 3

x shape
opposite each other
are equal

Question 4

what do the interior angles and the exterior angles add up to?

Answer 4

180 degress

Question 5

equation for exterior angles in a regular pologon

Answer 5

360

no. of sides

Question 6

Equation for interior angles

Answer 6

(n-2) x 180

n = no. of sides

Question 7

(circle theorems)

the angle at the centre is…

Answer 7

double the angle at the circumference

Question 8

(Circle theorems)

angles at the circumference standing on the same chord

Answer 8

and in the same segment are equal

Question 9

what are congruent shapes?

Answer 9

same shape and size

Question 10

Corresponding angles

Answer 10

F shape
they are equal
in the same place on the parallel line

Question 11

describing rotation:

Answer 11

centre of rotation
angle
direction

Question 12

describing reflection:

Answer 12

equation of mirror line

Question 13

decribing enlaragement:

Answer 13

scale factor

centre of enlaragement

Question 14

On a graph: 
positive =
negative =
(negative) = 
(positive) =

Answer 14

right/ up
left/down
right
left

Question 15

(circle theorems)

opposite angles of a cyclic quadrilateral

Answer 15

add up to 180 degress

Question 16

the exterior angle of a cyclic quadrilaterial

Answer 16

is equal to the opposite interior angle

Question 17

(circle theorems)

alternative segment theory:

Answer 17

Triangle inside a circle and one point touches the tangent, makes a Z shape, the angles are equal