Which best describes this triangle?



A.
All sides are the same length; one angle measures 90°.

B.
All sides are different lengths; one angle measures 90°.

C.
Two sides are the same length; one angle measures 90°.

D.
Two sides are the same length; one angle is obtuse.

Which best describes this triangle A All sides are the same length one angle measures 90 B All sides are different lengths one angle measures 90 C Two sides are class=