4. two circles have radii of 28 cm and 7 cm. The smaller circle rolls along the circumference of the larger circle until the smaller circle returns to its original position. How many revolutions will the small circle make?
6.The sides of a square field are 12.8 meters each. A sprinkler in the center of the field sprays a circular area with a diameter that corresponds to the side of the field. How much of the field is not reached by the sprinkler? Round your answer to the nearest hundredth. Draw and label a picture. Use π≈3.14.
7. Two angles are complementary angles. One angle measures fourteen more than three times the other. Find the measure of the larger angle.
Hey KF! Kindly note that we aren't here to do your maths homework for you.. first attempt them yourself and then if you don't get 1 or 2 of them you may clear your doubts here. Instead reposting them several times won't be much use they're only gonna get ignored.