Question

Mencari luas segitiga bcd jika diketahui gambarnya

Answer 1

Verified answer

Sin D /sin A = 8/BD
√2/2 / √3/2 = 8/BD
BD = 8√3/√2

luas BCD= 1/2 x BC x BD x sin B
= 1/2 x 6√2 x 8√3/√2 x 1/2
= 12√3