What is the area of the quadrilateral ABCD shown in the diagram below?
![Image]()
(1) AB = AD = 6.
(2) ∠ADC = 60◦.
![2017-07-24_1029.png]( "2017-07-24_1029.png")
2017-07-24_1029.png [ 3.94 KiB | Viewed 50 times ]
(1) AB = AD = 6.
(2) ∠ADC = 60◦.
[Reveal] Spoiler:
Attachment:
2017-07-24_1029.png [ 3.94 KiB | Viewed 50 times ]
![Madonna – Who’s That Girl (1987/2020) [FLAC 24bit/192kHz]](http://imghd.xyz/images/2023/06/08/0093624951148_6004dceff9e1db710a9.jpg)
