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, Â 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.
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