Part A A machinist bores a hole of diameter 1.35 cm in a steel plate at a temperature of 25.0 C. What is the cross-sectional area of the hole at 25.0 C. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Express your answer in centimeters squared to four significant figures. Length change due to temperature change. VO ? A0 = cmA machinist times a hole of diameter 1.35 cm in a steel plate at a temperature of 25.0'C. v Part B For related problem-solving tips and strategies, you may want to View a Video Tutor Solution of , , , , 1 Length change due to temperature change. What is the crosssectional area of the hole when the temperature of the plate IS Increased to 160 C? Assume that the coeffiment of linear expansmn remains constant over this temperature range. Express your answer in centimeters squared to [our significant tlg ures