Penjelasan dengan langkah-langkah:
Luas lingkaran :
1/2 × π × r × r
= 1/2 × 22/7 × 28 × 28
= 1.232 cm²
Trapesium :
1/2 × (a+b) × t
= 1/2 × (28+36) × 6
= 192 cm²
Ditambah : 1.232 cm² + 192 cm²
= 1.424 cm²
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Penjelasan dengan langkah-langkah:
Luas lingkaran :
1/2 × π × r × r
= 1/2 × 22/7 × 28 × 28
= 1.232 cm²
Trapesium :
1/2 × (a+b) × t
= 1/2 × (28+36) × 6
= 192 cm²
Ditambah : 1.232 cm² + 192 cm²
= 1.424 cm²