Pakai cara lengkap ya.
=> No.1
c² = a² + b²
= 3² + 4²
= 9 + 16
= 25
c = √25
= 5 cm
f² = c² + d²
= 5² + 12²
= 25 + 144
= 169
f = √169
= 13 cm (b) ✔️
=> No.2
L = 1/2 × a× t
36 = 1/2 × a × 9
36 × 2 : 9 = a
8 = a (b) ✔️
=> No.3
L = 1/2 × a × t
= 1/2 × 6 × 9
= 27 cm² ✔️
=> No.4
L = 1/2 × a × t
54 = 1/2 × 18 × t
54 × 2 : 18 = t
6 = t (d) ✔️
=> No.5
Sisi panjang = 4/9 × 54
= 24 cm (b) ✔️
Detail Jawaban :
Mapel : Matematika
Kelas : 7
Materi : Segitiga dan Segiempat
Kode soal :2
Kode kategorisasi : 7.2.4
Kata kunci : Luas segitiga
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Semoga Membantu ^_^
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