Answer:
Step-by-step explanation:
Let w represent the width. Then 3w represents the length. The perimeter formula is ...
P = 2(L +W)
P = 2(3w +w)
86 cm = 8w
w = 10.75 cm
3w = 32.25 cm
The rectangle is 32.25 cm long and 10.75 cm wide.
Hello,
45.8%
67.7% x 67.7% = 0.677 x 0.677 = 0.677² = 0.458329 ≈ 45.8%
it should be 42 hope it helps
I don't know how to do it the subject