CBQs Ch- 13 Surface area and volume - Maths Class 9th 1.A triangular park ABC has sides 120m, 80m and 50m (see Fig. 12.7). A gardener Dhania has to put a fence all around it and also plant grass inside. How much area does she need to plant? Answer the following The perimeter of the fencing Area of the garden the cost of fencing it with barbed wire at the rate of 20 per meter leaving a space 3m wide for a gate on one side. 2. Kamla has a triangular field with sides 240 m, 200 m, 360 m, where she grew wheat. In another triangular field with sides 240 m, 320 m, 400 m adjacent to the previous field, she wanted to grow potatoes and onions. She divided the field into two parts by joining the mid-point of the longest side to the opposite vertex and grew potatoes in one part and onions in the other part. Answer the following Area of potatoes Area of onionsHow much area (in hectares) has been used for wheat, potatoes, and onions? (1 hectare = 10000 m2 ) More questions to be added shortly...