geomentry B

Question 1

Concave polygons

Answer 1

Has atleast one dent

Question 2

Convex polygons

Answer 2

normal shape has no dent

Question 3

How to find the sum of interior angles

Answer 3

Sum = (n-2)180

Question 4

How to find each inteori angle

Answer 4

(n-2)180 divided by n

Question 5

measure of each exteror angle

Answer 5

360 divided by n

Question 6

sum of exteorr angle

Answer 6

360

Question 7

Parallelogram

Answer 7

opposite sides are always parallel

Question 8

3 rules for a parallelogram

Answer 8

1) Opposite angles in a parallelogram are congruent
2) Consecutive angles of a parallelogram always add up to 180
3) the digonsla bisect each other

Question 9

converse of the opposite angles therom

Answer 9

If opposite angles are cogruent then it is a parrllelogrma

Question 10

Converse of the diagonals therom

Answer 10

if the diagonals bisect each other then it is a parallelogram

Question 11

Rectangles

Answer 11

all rectangles are paralleograms, has 4 right angles, diognals are equal

Question 12

how to prove that a parallelogram is a rectangle

Answer 12

1) One right angle property- show that there is atleast one right angle
2) Congruent dioganls property - show that dioganls are congruent

has to show both

Question 13

Rhombus

Answer 13

all 4 sides have equal length, all rhombus are parallelograms, the diagonals of a rhombus bisect its interior angles