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first find the sum of interior angles of a pentagon by using the formula (n-2) * 180
oh ok ill try that
would the anwser be -90?
(5-2) * 180 = 3 * 180 = 540 x + 1.5x + 1.5x + x +x = 540
collect like terms and solve for x
i forgot to add 1.5 and 1.5 together... T-T
6x = 540 x = 90
i asked my father and he doesnt even understand... i dont quite understand...
Which part do you not understand?
well... all of it...
What is the formula for finding the sum of all interior angles for an n sided shape?
Good! so what is the sum of all interior angles for a pentagon, which is a 5-side shape?
thats where i am a little hasey
Let's do this slowly. Plug in 5 as n
then multiply it by 180 and you get 540?
Given that Tthe angles are x, 1.5x, 1.5x, x,x
sum of these angles is also equal to 540
so all of the angles added together = 540?
i drew an image of the shape would you want to see?
sure, but it's not required
then i wont
ok so do you understand it much better?
sort of.. in class my teacher saud something about subtracting the sum with 180
subtracting 180 is for triangles, which is a 3-sided shape
oh ok... thank you for taking your time and explaining this to me...