90+80+90+x=360
260+x=360
x=100
Answer:
729/8
Step-by-step explanation:
4 1/2 * 4 1/2 * 4 1/2 = (9/2)^3 = 729/8
we are given

step-1: Simplify expression inside parenthesis
we will combine like terms
so, firstly we will take common denominator



step-2: Distribute 1/2 inside


step-3: Combine like terms

We can find common denominator




we can also write it as in mixed form

so, we will get

option-C.............Answer
Answer:
<h2>2 + 2i</h2>
Step-by-step explanation:


Only one and only one triangle could be constructed with 3 defined sides length. Answer B