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.
ScanSolve AI Answer
You're on a roll — Here is the solution for the first shape in the image: 1. Calculate the perimeter of the following shapes: Shape (a): To find the perimeter of this rectilinear shape, we sum the lengths of all its outer sides. Step 1: Identify all given side lengths. The given horizontal lengths are 2 cm, 1 cm, 2 cm (top segments) and 5 cm (bottom segment). The given vertical lengths are 3 cm (right side) and 1.5 cm (inner vertical segment going down). Step 2: Determine the lengths of any missing sides. • The total width of the shape is the sum of the top horizontal segments: $2 cm