Webb16. Perimeter of a regular octagon of side 6cm is 36cm. 17. A farmer who wants to fence his field, must find the perimeter of the field. 18. An engineer who plans to build a compound wall on all sides of a house must find the area of the compound. 19. To find the cost of painting a wall we need to find the perimeter of the wall. 20. WebbSemi – perimeter of a triangle ΔABD, s = a+b+c 2 = AB+BD+DA 2 = 60+80+40 2 = 180 2 = 90m ∴ Area of ΔABD= √s(s−a)(s−b)(s−c) [by Heron’s formula]. = √90(90−60)(90−80)(90−40) = √90×30×10×50 = 100×3√15= 300√15m2 From Eq. (i), Area of parallelogram ABCD= 2×300√15= 600√15m2 Hence, the area of the parallelogram is …
The perimeter of a triangular ground is 420m Math Materials
Webb28 aug. 2024 · The Perimeter of a Triangular Field is 420m and its sides are in the ratio 6:7:8. Find its Area. 1 See answer Daiyaan is waiting for your help. Add your answer and earn points. jimrgrant1 jimrgrant1 Answer: A ≈ 8133.27 m² Step-by-step explanation: Sum the parts of the ratio 6 + 7 + 8 = 21 parts WebbThe perimeter of a triangular field is 420 m and its sides. The perimeter of a triangular field is 420 m and its sides are in the ratio 6:7:8. Find the area of the triangular field. Herons Formula Class 9 Notes For Maths Chapter 12. Q.18 The perimeter of a triangular ground is 420m and its sides are in the ratio 6 : 7 : 8. Find the area of the ... parmanu the story of pokhran download
What is the Heron
Webb21 aug. 2024 · The perimeter of a triangle is 50 cm. One side of a triangle is 4 cm longer than the smaller side and the third side is 6 cm less than twice the smaller side. Find the area of the triangle. herons formula; class-9; Share It On Facebook Twitter Email. 1 Answer +1 vote . answered Aug 21 ... WebbQuestion: The perimeter of a triangular field is 144 m and the ratio of the sides is 3 : 4 : 5. The area of the field is a) 864 m 2 b) 824 m 2 c) 468 m 2 d) none. Answer: 864 m 2. Question: A rectangular field has its length and breadth in the ratio 5 : 3. Its area is 3.75 hectares. The cost of fencing it at Rs. 5 per meter is Webb30 dec. 2014 · The base of a triangular park is 420m and its altitude is 325m Find the cost of levelling the park at the rate of Rs 5 per 1000 m2 ... School Talk; Login; GET APP; Login Create Account. Class-7 » Maths. Perimeter and Area. The base of a triangular park is 420m and its altitude is 325m. Find the cost of levelling the park at the rate ... timothy brown dental redwood falls mn