Question

Nmr 1 a dan b gmn? dan nmr 2 juga?

Answer 1

1a. LP = 2(p.l + p.t + l.t)
=2.(15.12+15.16+12.16)
= 2.(180 +240 +168)
= 2. 588 = 1176
b. Lp = 2la + ka.t
= 2.1/2.6.8+(6+8+10).6
= 48 +24.6
= 48 + 144 = 192