kalau ini gimana ya?

24. L layang2 = 1/2 d1 xd2
= 1/2 32cm x 24 cm
= 384cm^2 (A)

25. K = 2 Phi x r
22 cm = 2 x 22/7 x r
44 r = 22cm x 7
r = 3,5 cm
L = phi x r^2
= 22/7 x (3,5cm)^2
=38, 5 cm^2

26. L bangun =L persegi + L persegi panjang
= ( 7cm x 7cm) + (30cm x 7cm)
=49cm^2 +210 cm^2
=259cm^2(D)