<h2>Step-by-step explanation:</h2><h3>Width of rectangle = 7 cm</h3><h3>because ∵ width of rectangle is equal to the radius of each semicircle.</h3><h3>therefore ∴ radius of each semicircle (r) = 7 cm.</h3><h3>therefore ∴ Diameter of each semicircle = 14 cm</h3><h3>therefore ∴ Length of rectangle = 3 x 14 = 42 cm.</h3><h2>Answer:</h2><h3>63.21<em><u>c</u></em><em><u>m</u></em><em><u>'</u></em><em><u>2</u></em></h3><h2><em><u>Please!</u></em><em><u> </u></em><em><u>Mark</u></em><em><u> </u></em><em><u>me</u></em><em><u> as</u></em><em><u> brainliest</u></em><em><u> </u></em><em><u>please</u></em><em><u>.</u></em></h2>
