2.27 [15] Referring to Fig. 2.25, give the value of T 30° 8c -2c &c ZB 2A XB 8A FIGURE 2.25: Frames at the corners of a wedge. 2.28 [15] Referring to Fig. 2.25, give the value of AT 2.29 [15] Referring to Fig. 2.25, give the value of BT 2.30 [15] Referring to Fig. 2.25, give the value of CT