The perimeter of a rectangle is 48 cm. Its length is twice as long as its breadth. <hr> Length = <input min="0" type="number" id ="imp4pg215q9_1" class="lineinput" placeholder="?" /> cm. <br> Breadth = <input min="0" type="number" id ="imp4pg215q9_2" class="lineinput" placeholder="?" /> cm