Isosceles - Has at least two equal sides. (B)
Obtuse Triangle - Must have an obtuse angle. (D)
Equilateral Triangle - All sides should be equal. (Missing an answer?)
Right Triangle -Must include a 90 degree angle. (A)
Scalene Triangle - Has NO equal sides. (C)
Tell me if this helped.
The anwser is either 2.88 or 3, But others are saying it is 3.
8a^2 + 3a^2
11a^2
since both have a^2 you only have to add the coefficients
$13.53 is the answer to you problem