Sagot :
Answer:
C. L = 24 cm and width = 16 cm
384cm²
p= l+8
K= 2(p+l)
80 cm= 2(p+l)
40 cm= p+l
40 cm= l+8+l
40 cm= 2l+8 cm
32 cm= 2l
l= 16 cm
p= 16 + 8 cm
p= 24 cm
24 cm × 16 cm
384 cm²
Answer:
C. L = 24 cm and width = 16 cm
384cm²
p= l+8
K= 2(p+l)
80 cm= 2(p+l)
40 cm= p+l
40 cm= l+8+l
40 cm= 2l+8 cm
32 cm= 2l
l= 16 cm
p= 16 + 8 cm
p= 24 cm
24 cm × 16 cm
384 cm²