kalo bisa pake cara ya... nomor 26 dan 27

26.
= 3/4 x πr2
= 3/4 x 22/7 x 14^2
= 3/4 x 22/7 x 196
= 3/4 x 616
= 462 cm2
Jawaban: D.

27.
= (30 x 28) + (1/2 x 22/7 x 14^2)
= 840 + (1/2 x 22/7 x 196)
= 840 + (1/2 x 616)
= 840 + 308
= 1148 cm2
Jawaban: C.

Semoga membantu :)