angles and polygons

Question 1

alternate angles

Answer 1

they are shaped like a Z

Question 2

corresponding angles

Answer 2

they are shaped like an F

Question 3

Co-interior

Answer 3

they are shaped like an C but the two angles ther add up to 180

Question 4

bearings

Answer 4

always three digits even if it is 036 and you must use clockwise ans.

Question 5

Congruence

Answer 5

they must have the same shape and size but orientation can be different

Question 6

how to prove two triangles are congruent

Answer 6

three equal sides(SSS)
two sides and the angles between them must be equal (SAS)
two angles and a corresponding side equal (ASA)
a right angle, the hypotenuse and another side equal (RHS)

Question 7

similarity

Answer 7

the same shape but can have different size

Question 8

formula for interior and exterior angles

Answer 8

n = no. of sides

interior angles = ((n-2)x180)/n
exterior angles = 180 - interior angles

Exterior angles = 360/n
interior angles = 180 - exterior angles

Question 9

the formula for the no.of sides

Answer 9

n = no. of sides

(n-2) x 180