Question

Tolong dijawab pakai cara ya..

Answer 1

L Trapesium
= (15 + (10+14)) × 12
= (15 + 24) × 12
= 39 × 12
=468 : 2
= 234cm²

L Lingkaran 1
= phi × r × r
= 22/7 × 10,5 × 10,5
= 22/7 ×110,5
= 346,5 : 2
= 173,25 cm²

L Lingkaran 2 
= phi × r ×r
= 22/7 ×7 ×7
=22/7 × 49
=154 : 2
= 77 cm²


Luas seluruhnya
= 234 + 173,25 + 77
= 484,25 cm²

Semoga membantu, Semangaat yaa