Question

here is a rectangle with a width of 15.7 centimtres the perimeter of this rectangle is 85 centimetres calculate the lengh of the rectangle

Answer 1

About 5.4 cm ^2. (decimal keeps on repeating with different numbers). P=lw Since the perimeter is 85 cm, and the width is 15.4, you substitude and solve to get 15.7x=85. Do the same for both sides (divide 15.7) and you get x= about 5.4. God Bless! <3