Question 1: For the question below, the answer must be 3.5cm.

The diagram shows a regular hexagonal wooden prism. A cylindrical hole is drilled through it. Given that the volume of the remaining solid is 10,168 cm3, find the radius of the hole. [Take It = 6.9 cm 8 cm 16 em 6.9 em! 0.8 mCombined 3D Shapes (Part 2) 1. The diagram below shows a composite prism. Its base area is made up of a semicircle of radius 3 cm, a rectangle and a triangle. Calculate the a) cross-sectional area of the prism, b) perimeter of the cross-sectional area of the prism, c) volume of the prism, d) total surface area of the prism. 10 cm 5 cm cm 8 cm 13 cm