This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
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Here are the solutions for the geometry problems: Exercise 10: Surface area of pyramids 1. Calculate the surface area of the pyramids below. a) Pyramid with a rectangular base: Step 1: Identify the dimensions. Base length L = 16 cm, base width W = 12 cm. Slant height for the faces with base W=12 cm is s_1 = 20 cm. Step 2: Calculate the perpendicular height (h) of the pyramid. Consider the right triangle formed by the pyramid's height, half of the base length, and the slant height s_1. Half of the base length is $(16)/(2) =