A. Scalene
B. Isosceles
C. Equilateral
D. Right
E. Obtuse
F. Acute

Answer:
B)Isosceles and D)Right triangle
Detailed explanation:
What is an isosceles triangle?
The definition of a isosceles is a triangle that has two sides which are equal in length.
We see that this applies to this problem.
We see that it is also a right triangle due to the 90 degree angle mark.
Therefore, the triangle is both an Isosceles and a right triangle.
B) Isosceles
two of the leg sides are the same measurement, and are "congruent" with each other.
D. Right
There is a right angle shown (bottom left where square is), making triangles a right triangle.
hope this helps