343 T 13. The figure below shows the cross-section of a solid equipment used in a construction firm. It comprises of a circular hole of diameter 56 cm drilled on to a square of side 70 cm. The solid is 1.5 m long 70 cm 56 cm 70 cm 22 Calculate the volume of the solid in m². Use π = (4 m Find the modulus of the AB given that a = -41 - 7j and b = 3i-8j correct to 2 decimal places.
