Tolong ya, kls 4 emang susah

A.) L = p x l
= 8 X 4
= 32 satuan luas

b.) L = p x l
= 23 x 10
= 230 cm²

c.) L = ( p x l ) + ( p x l )

= ( 20 x 15 ) + ( 15 x 8 )

= 300 + 120

= 420 cm²

SEMOGA MEMBANTU