The figure shows 4 quadrants of different radii arranged around a point. <br>The radius of quadrant is A is 1.4 cm. <br>The radius of quadrant B is twice that of A. <br>The radius of C is twice that of B. <br> The radius of quadrant D is twice that of C. <hr> Find the perimeter of the figure. <br> The perimeter is <input min="0" type="number" id ="imp6pg190q7_1" class="lineinput" placeholder="?" /> $$cm$$