Perimeter is all four sides added together, therefore....
38+38= 76
8dm= 80cm
80cm*2=160 cm
76+160= 236<span />
(10+2x)(8+2x) = 120
4x^2 + 36x + 80 = 120
x^2 + 9x + 20 = 30
x^2 + 9x - 10 = 0
(x+10)(x-1) = 0
x = 1 inch dimension
All<span> of them </span>have <span>four sides, are coplanar, </span>have<span> two diagonals, and the sum of their four interior angles equals 360 degrees.</span>
Hello!
Are you looking for how many "Terms" there are?
If so, then there would be: 5 terms, which are:
a³
3a²b
-4ab
-11b
7
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