You have 2 kind of SUM, either the interior angles or the exterior's.
For the interior angles, if n is the number of sides then
sum of all INTERIOR angles =(n-1).180°
Regarding the EXTERIOR angles, whatever is the number of sides, the sum of all EXTERIOR angles = always 360°
All of the answers are correct except the last one
Answer:
The working of expressions is shown below.
Step-by-step explanation:
We are given the following information:
a) Expand
b) Expand and simplify
c) Expand
d) Factorize fully
Answer:
It would be c)
Step-by-step explanation:
Answer
w=9z
Step-by-step explanation:
The unit rate is 9 so your equation would be y=9x
I think that should help