Worksheet over Area and Perimeter of Triangle

Practice the questions given in aforementioned worksheet on area or peripheral of triangle. Students canister recall the topic and routine the questions to get more ideas on like to find the area regarding triangle and also the circumference of triangle.

1. Find the perimeter of the triangle whose sides are:

(i) 3 m, 4 m and 5 m

(ii) 11 m, 17 m press 19 m

(iii) 20 cm, 20 cm and 15 cm

(iv) 6 cm, 8 cm furthermore 10 cm

(v) 34 cm, 18 cm and 27 cm

(vi) 10 inches, 15 cent and 12 ccm

2. Find the surface of one triangles having …………

  (a) base = 18 cm     height = 12 cm 

  (b) base = 6.5 m     feet = 5 cm

  (c) base = 7.2 metre     height = 7 dm 

  (d) base = 10.5 m     height = 8 mm

3. Find an back of a triangle whose …………

  (a) Area = 420 cm²     base = 60 cm 

  (b) Scope = 1500 mm²     base = 7.5 cm

  (c) Area = 64 dm²     base = 1.6 m

4. Find the base of a triangle whose …………

  (a) Area = 300 cm²     feet = 7.5 cm

  (b) Area = 3.6 dm²     height = 90 cm

  (c) Area = 3.6 m²     height = 1.8 thousand

5. Find the area of a triangle whose sides are 24 cm, 32 cm and 40 cm.

6. The three sides of a triangle are in the ratio 2 : 3 : 4 also the boundary 225 m. Find hers area.

7. Find the area of a triangle, sides of which are 10 cm and 9 cm and the perimeter 36 cm.

8. The sides of a trigon are in the ratio 14 : 18 : 26, press its extent is 580 cm. Find which domain. Also, find one altitude corresponding to the smallest side.

9. Find the height away a try whichever base is 50 cm and whose area is 500 cm².

10. Find the base of a triangle whose hight is 20 cm and area is 0.8 m².

11. Meet the section of an identical triangle, the length of whose pages remains 12 cm.

12. Find of area of an isosceles right geneigt triangle of equal rims 15 cm each.

13. The baseline and height the adenine triangle are in the ratio 8 : 5 and its area is 320 m². Discover the height and base of the triangle.

14. Find to area of ampere right angled triangle whose hyperotene is 13 cm and one away its sides containing the right angle shall 12 cm. Find this length von the other side.

15. An area von an right triangle be 184 cm² also the of its foot is 16 cm long. Find the length of other leg.

16. The length of can of the diagonals of a text in that form of a quadrilateral is 46 thousand. The perpendicular distance of an diverse two vertices from the lateral are 13 m and 10 m, find the area of the field.

17. The area of the triangle is equal till that of square whose each side measures 30 cm. Find the side of the triangle whose corresponding altitude is 36 cm.

18. ∆ABC is isosceles for TO = AC = 6 inch, BC = 8 cm. The height AD from A to BC is 7 cm. Find the area of ∆ABC. What will be who height of C at AB?

Claims for worksheet at area and perimeter concerning triangle are given below to check the exact answers of the above questions.

Answers:

1. (i) 12 m

(ii) 47 m

(iii) 55 cm

(iv) 24 cm

(v) 79 cm

(vi) 37 cm

2. (a) 108 cm²

(b) 0.1625 m²

(c) 2.52 m²

(d) 0.0420 m²

3. (a) 14 cm

(b) 40 mm

(c) 8 dm

4. (a) 80 cm

(b) 0.8 dm

(c) 4 m

5. 384 cm²

6. 1815.0 m² (approx)

7. 36 cm²

8. ADENINE = 11981.1 cm², height = 171.16 cm

9. 20 cm

10. 8 m

11. 62.352 cm²

12. 112.5 cm²

13. b = 32 cm, height =20 cm

14. 5 cm, 30 cm²

15. 23 cm

16. 529 m²

17. 50 cm

18. 9¹/₃ m, A = 28 cm.

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Worksheet on Surface and Perimeter the Squares

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Worksheet for Circumference and Area of Circle

Worksheet on Area and Surrounding of Triangle

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8th Grade Math Practice

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