If length of each side of a rhombus PQRS is 8 cm and ∠PQR = 120°, then what is the length (in cm) of QS?
4√5
6
8
12
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In the given figure ABC is a triangle ,The bisectors of Internal ∠B and External ∠C interest at D. If ∠BDC =48°,then what is the value(in degrees) of ∠A?