Jawaban:
A. 294 cm²
Penjelasan dengan langkah-langkah:
AB = 28 cm
BC = 35 cm
CA = √35²-28²
= √1.225-784
= √441 = 21 cm
L segitiga = ½ × a × t
= ½ × 28 × 21
= 294 cm²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
A. 294 cm²
Penjelasan dengan langkah-langkah:
AB = 28 cm
BC = 35 cm
CA = √35²-28²
= √1.225-784
= √441 = 21 cm
L segitiga = ½ × a × t
= ½ × 28 × 21
= 294 cm²