TC' = √(TC² + CC²)
TC' = √(20² + (√50)²)
TC' = √(400 + 50)
TC' = √450
TC' = √(225 x 2)
TC' = 15√2 cm²
LΔ TAB = 1/2 x AB x TC'
LΔ TAB = 1/2 x 10√2 x 15√2
TC' = √(TC² + CC²)
TC' = √(20² + (√50)²)
TC' = √(400 + 50)
TC' = √450
TC' = √(225 x 2)
TC' = 15√2 cm²
LΔ TAB = 1/2 x AB x TC'
LΔ TAB = 1/2 x 10√2 x 15√2
Editor: Yulia Pramuninggar
Sumber: Buku Matematika Kelas 8 Semester 2