Tolong dijawab nomor 2

Luas bangun 1 (trapesium)
= 1/2 a + b x t = 1/2 42 + 56 x 26
= 2.002

Luas bangun 2 (1/2 lingkaran)
= d = 42cm : 2 = r = 21cm
rumus luas = 1/2 x 22/7 x 21 x 21 = 693

= 2.002
       693
________-
= 1309 cm(2)