It must be a right angle, is true about ∠MSR. Rhombus R H O M has all equal side lengths.
Rhombus is kind of quadrilateral which have both opposite parallel to each other, with equal length. For example, equilateral parallelogram.
The term rhombus is occasionally interchanged with rhomb, and a rhombus is also referred to as a diamond.
Thus, option B is correct.
For more details about Rhombus, click here:
https://brainly.com/question/11819395
#SPJ1