<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>
Answer: 1320
<u>Step-by-step explanation:</u>
there are 12 choices for 1st place, 11 choices remaining for 2nd place, and 10 remaining choices for 3rd place.
12 x 11 x 10 = 1320
Answer:
59.0
Step-by-step explanation:
c=31
b=90
90+31=121
180-121=59
56 rounded to the nearest 3 sf=59.0
please mark as brainliest if correct
thank you
If your asking what 9B coefficient is it's B