tolong jawab bsk dikumpulkan

L persegi panjang = 15x 10
= 150cm²

L setengah lingkaran = 1/2 x 3.14 x 5 x 5
= 1/2 x 78.5
= 39.25 cm²

L arsir = 150 cm² - 39.25 cm²
= 111.75 cm2