what is the value of c, correct to one decimal place?; the measures of three parts of are given in the diagram. what is ac, correct to two decimal places?; the altitude of the plane to the nearest tenth of a mile is .; what is the value of b in this diagram?; a plane flying at a certain altitude is observed; the measures of three parts of abc are given in the diagram; peter needs to find the distance across; in this triangle, =