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GH = 5x 8/16 = 2,5 cm
FG = √ (6,25-2,5)² + 5²
= √ 14,0625 + 25
= √ 39,0625
= 6,25 cm
BC/EH = AD/FG ..... Bc=16 eh=5 ad? ..
kita tanya pakde pythagoras = ad² = bc² + (20-8)²
ad² = 16² + 12² = 256+144= 400 ... ad=20
16/5 = 20/fg ..... fg = 20 x 5 / 16 = 25/4 =