# Use differentials to estimate the error

#### Sun of Nc

##### New member
One side of a right triangle is known to be 20 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.)
±... %

#### Ackbach

##### Indicium Physicus
Staff member
What steps have you taken towards a solution?