Question

tolong bantu saya plisssssssss plisssssssss​

Answer 1

Jawaban:

1. Persegi panjang

Luas

= P × L

= 52 × 17 cm

= 884 cm2

Keliling

= 2 × (p + l)

= 2 × (52 + 17 cm)

= 2 × 69 cm

= 138 cm

2. Persegi

Luas

= S × S

= 76 × 76 cm

= 5.776 cm2

Keliling

= 4 × S

= 4 × 76 cm

= 304 cm

3. segitiga

Luas

= ½ × a × t

= ½ × 12 × 8 cm

= 48 cm2

Keliling

= 3 × S

= 3 × 10 cm

= 30 cm

*maaf kalau salah dan semoga membantu :)