Linear Approximations and Differentials question. (Calculus 1)?

Question 1) The radius of a circular disk is given as 28 cm with a maximum error in measurement of 0.2 cm. (a) Use differentials to estimate the maximum error in the calculated area of the disk. (Round your answer to two decimal places.) _____cm^2 (b) What is the relative error? (Round your answer to four decimal places.) _____ What is the percentage error? (Round your answer to two decimal places.) _____% ************************************* Question 2) One side of a right triangle is known to be 15 cm long and the opposite angle is measured as 30°, with a possible error of ±1°. (a) Use differentials to estimate the error in computing the length of the hypotenuse. (Round your answer to two decimal places.) ± _____cm (b) What is the percentage error? (Round your answer to the nearest integer.) ± _____%