Question

No 10 sama no 11 memakai cara

Answer 1

11. Labcd= 8 x 8
=64 cm²
Lefgh=6 x 10
=60 cm ²

Ldiarsir=64+60-68
=124-68
=56 cm ² (D)

Answer 2

No.10
k=2(p+l)= 56
p+l= 56:2
=28
p=21
l=7
luas= p x l= 21x 7= 147
no.11
persegi= 8x8= 64
persegi pjg= 10x6 = 60
ditambah= 124
124-68=56
56:2(karna numpuk)=28
bsk un ya, goodluck