" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
Mencari luas Persegi panjangnya= 28 cm × 40 cm
= 1.120 cm²
mencari luas ½ lingkaran nya
= 1/4 × 22/7 × 1/2 × 28²
= 308 cm²
Luas bangunnya
= 1.120 cm² + 308 cm²
= 1.428 cm²
Jawabannya B