Question

Tolong jawab nomor 25

Answer 1

L Segitiga = 1/2 x a x t
                 = 1/2 x 42 x 56
                 = 1176 cm²
L 1/2 Lingkaran = 1/2 π r²
                          = 1/2 . 22/7 / 21 . 21
                          = 693 cm²
L total = 1176 + 693 = 1869 cm²