1. Let's start by understanding what practical geometry means. Practical geometry deals with drawing and measuring figures accurately using tools like a ruler, compass, and protractor. 2. For Class 7, common shapes include triangles, quadrilaterals, circles, and polygons. We learn to construct these using given measurements like sides and angles. 3. Example: Constructing a triangle when two sides and the included angle are given (SAS condition). 4. Step 1: Draw one side of the triangle using a ruler. 5. Step 2: Using a protractor, construct the given angle at one end of the side. 6. Step 3: With a compass, measure the length of the second side from the angle's vertex along the drawn angle; mark the point. 7. Step 4: Connect the marked point to the other vertex to complete the triangle. 8. Similarly, you can practice constructing circles with given radius using a compass. 9. Practical geometry involves accurate measurements, following steps carefully, and understanding properties such as angle sums, side lengths, and symmetry. 10. Always practice by drawing and verifying properties to strengthen your understanding.