a rectangle has an area of 42 square inches which has a greater perimeter the rectangle with the dimensions 21 times 2 or the d

Question

kkurt [141]

4 years ago

5

a rectangle has an area of 42 square inches which has a greater perimeter the rectangle with the dimensions 21 times 2 or the d

imensions 6 times 7

Mathematics

2 answers:

Shalnov [3] · Answer 1 · 2021-11-10T06:08:30+03:00

Shalnov [3]4 years ago

5 0

21times 2 because it takes more work

Oduvanchick [21] · Answer 2 · 2021-11-10T04:14:49+03:00

Oduvanchick [21]4 years ago

4 0

A= 42in²
P = 2l + 2w so
(21 x 2) + (2 x 2)
42 + 4 = 46
46 = 21 by 2

Now let's do 6 and 7
(6 x 2) + (7 x 2)
12 + 14 = 26

46 > 26
so 21 by 2 has greater P (perimeter)