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The perimeter of a triangular field is 240 m

Webb25 maj 2024 · The perimeter of a triangular field is 240 m its two sides are 78 m and 50 m, then area of triangular field is (1) 1650.2 m2 (2) 1662 m2 (3) 1680 m2 (4) 1672 m2 See … Webb11 jan. 2024 · To find the area of just the slanted sides – the lateral surface area ( LSA) – you need to do a lot less work: LSA=\frac {1} {2} (Perimeter\times Slant Height) LS A = 21(P erimeter × SlantHeight) Lateral surface area formula for a triangular pyramid. These formulas only work for regular pyramids.

NCERT Exemplar Class 9 Maths Solutions Chapter 12 Heron’s …

Webb16 feb. 2024 · Let the sides of a given triangle be a = 25x, b = 17x, c = 12x respectively, Given, Perimeter of triangle = 540 cm . 2s = a + b + c . a + b + c = 540 cm . 25x + 17x + … WebbPerimeter of the triangle = 240 dmTwo sides (given) = 78 dm and 50 dmThird side of the triangle = 240 - (78 + 50)= 240 dm - 128 dm= 112 dms = (a + b + c)/2= (78 + 50 + 112)/2= … great clips martinsburg west virginia https://kwasienterpriseinc.com

Class X Chapter 17 Perimeter and Area of Plane Figures Maths

WebbThe length of its longest altitude. (a) 1675 cm (b) 1o75 cm (c) 2475 cm (d) 28 cm. Thinking Process. (i) First, determine the semi-perimeter, s and then determine the area of triangle by using Heron’s formula. (ii) For the longest altitude, take base as the smallest side. Apply the formula, Area = ½ x Base x Altitude. WebbPerimeter m Area of triangle s s a s b s c 2 75 75 25 75 60 75 65 75 50 15 10 562500 750 m u u u 5. The perimeter of a triangular field is 240m, and its sides are in the ratio 25:17:12. Find the area of the field. Also, find the cost of ploughing the field at ₹ 40 per m2 Sol: Let the sides of the triangular field be 25x, 17x and 12x. Webband CD = 27 m in equation (1), we have. BD 2 = 48 x 27. ⇒ BD 2 = 1296. ⇒ BD = 36 m. The altitude of the triangle corresponding to its largest side is BD = 36 m (iii) The area of the triangular field from subpart (i) is 1350 m 2. The cost of levelling the field is Rs. 10 per square metre, Thus the total cost of levelling the field = 1350 x ... great clips menomonie wi

NCERT Exemplar Class 9 Maths Solutions Chapter 12 Heron’s …

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The perimeter of a triangular field is 240 m

Example 4 - Kamla has a triangular field with sides 240 m - teachoo

Webb20 juli 2024 · Let the sides of the triangular field be 25x, 17x and 12x. As, perimeter = 540 m. ⇒ ⇒ 25x + 17x + 12x = 540. ⇒ ⇒ 54x = 540. ⇒ ⇒ x = 540 54 x = 540 54. ⇒ ⇒ x = 10. … Webb29 mars 2024 · Example 2 A triangular park ABC has sides 120m, 80m and 50m. A gardener Dhania has to put a fence all around it and also plant grass inside. How much area does she need to plant? Find the cost of fencing it with barbed wire at the rate of Rs 20 per metre leaving a space 3m wide for a gate on one side First we find area needed to …

The perimeter of a triangular field is 240 m

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Webb18 mars 2024 · Now we will calculate the value of semi perimeter by dividing above result by 2. We get, Semi perimeter of triangular field = $\dfrac{{a + b + c}}{2}$ We get, = $\dfrac{{250}}{2}m$ Dividing 250 by 2 in above equation we get, Semi perimeter= $125m$ Now, putting the values of semi perimeter and sides of triangular field we get, WebbArea of triangle = ½ × base × height Substituting the values 336 = ½ × 20 × h By further calculation h = (336 × 2)/ 20 So we get h = 336/10 h = 33.6 cm Hence, the required altitude of the triangle is 33.6 cm. 4. The sides of a triangular field are 975 m, 1050 m and 1125 m.

WebbAns. Perimeter of the triangle = 540 cm. ⇒ Semi–perimeter of the triangle, ∴ The sides are in the ratio of 12 : 17 : 25. ∴ a ... If each side of the rhombus is 30: m and its longer diagonal is 48 m, how much area Of grass field will each cow be getting? Ans. Here, each side of the rhombus = 30 m. WebbThe perimeter of an isosceles triangle is equal to 14 cm, the lateral side is to the base in the ratio 5 : 4. The area of the triangle is (A) 21 2 1 cm 2 (B) 21 2 3 cm 2 (C) 21 cm 2 (D) 21 2 cm 2 14. If the area of an equilateral triangle is 3 24 sq. m, then its perimeter is : (A 96 m (B) 6 12 m (C) 6 4 m (D) 6 2 m 15.

Webb21 juni 2024 · Perimeter of triangular field = 240m; Length of two sides = 78m and 50m; length of the altitude on the side of 50 m length from its opposite vertex, Perimeter of … Webb21 jan. 2024 · The perimeter of a triangular field is 540 m and its sides are in the ratio 25:17:12. Find the area of the triangle. 6. The perimeter . Solution For 5. ... [NCERT] 7. The perimeter of a triangular field is 240 dm. If two of its sides are 78 dm and 50 dm, ...

WebbHeron's Formula. The sides of a triangle are 10 cm, 12 cm and 14 cm respectively, then its area is ____cm2. If the sides of a triangle are 13 cm,14 cm and 15 cm respectively, then the area of the triangle is 84 cm2. The perimeter of a triangular field is 450 m and its sides are in the ratio 13 : 12 : 5. Then the area of the triangle is ____ m2.

great clips medford oregon online check inWebbGiven: The perimeter of a triangular field is $240\ dm$. Two of its sides are $78\ dm$ and $50\ dm$. To do: We have to find the length of the perpendicular on the side of length $50\ dm$ from the opposite vertex. great clips marshalls creekWebbPerimeter of triangle =540m. Let the sides of triangle be,a, b and c, On dividing 540 m in the ratio 25:17:12, we get. a=25xcm. b=17xcm. c=12xcm. we know that, perimeter of a … great clips medford online check inWebb29 mars 2024 · 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 in 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. great clips medford njWebb11 feb. 2024 · The perimeter of a triangular field is 540 m and its sides are in the ratio 25:17:12. Find the area of the triangle. Solution: Let the sides of a given triangle be a = 25x, b = 17x, c = 12x respectively, We have, Perimeter of triangle = 540 cm. Also, Perimeter = 2s. 2s = a + b + c great clips medina ohWebbThe perimeter of a triangle is 450 m and its side are in the ratio 12: 5: 13. Find the area of the triangle . CISCE ICSE Class 9. Question Papers 10. Textbook ... Given that the perimeter = 450 m ⇒ 12x + 5x + 13x = 450 ⇒ 30x = 450 ⇒ x = 15. Hence, the sides of a triangle are a = 12x = 12(15) = 180 m b = 5x = 5(15) = 75 m great clips md locationsWebb11 aug. 2024 · The perimeter of a triangular field is 240 dm. If two of its sides are 78 dm and 50 dm, The perimeter of a triangular field is 240 dm. If two of its sides are 78 dm … great clips marion nc check in