Question

Please tolong dijwb y kak....yg nomor 21

Answer 1

L bangun arsir
= 2 L trapesium
= 2 × ½ × t × (a + b)
= 2 × ½ × (8 ÷ 2)cm × ((24 - 7,5)cm + (24 - 5)cm)
= 4cm × (16,5cm + 19cm)
= 4cm × 35,5cm
= 142cm² {B}

Semoga bermanfaat ^_^
Selamat belajar !!!