3 because it’s the middle number 1222(3)5788 hope I helped u out
Answer:
A. Actute triangle
Step-by-step explanation:
Is A because an acute triangle is a triangle where all the angles are the same.
Can not be B. because isosceles triangles have two sides that are the same which doesn't relate to angles.
Can not be C. because equilatiral triangles are triangles with sides that are all the same.
Can not be D. because for a triangle to be obtuse one of the angles needs to be greater that 90 degrees.
So it has to be A.
D. {3, √ 2, -√ 2}.
<span>The cubic factors- (x - 3)(x² - 2) = 0.</span>
