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Question Number 139740 by mathocean1 last updated on 30/Apr/21

A r e c t a n g u l a r b l a d e A B C D i s h a n g e d u p

o n A . I f A B = 2 m; A D = 3 m, t h e

a n g l e b e t w e e n (A D) a n d t h e

v e r t i c a l e w h e n t h e s y s t e m i s

e q u i l i b r e d i s :

a) 56.3 °

b) A r c s i n \frac{2}{3}

c) 41.8 °

d) 33.7 °