Advertisements
Advertisements
Question
The table given below contains some measures of the triangle. Find the unknown values.
| Side 1 | Side 2 | Side 3 | Perimeter |
| 6 cm | 5 cm | 2 cm | ? |
Advertisements
Solution
Perimeter of a triangle = sum of three sides
Perimeter = 6 + 5 + 2 cm
= 13 cm
p = 13 cm
Tabulating the unknowns.
| Side 1 | Side 2 | Side 3 | Perimeter |
| 6 cm | 5 cm | 2 cm | 13 cm |
APPEARS IN
RELATED QUESTIONS
Calculate the area and the height of an equilateral triangle whose perimeter is 60 cm.
The length of the sides of a triangle are in the ratio 3: 4: 5. Find the area of the triangle if its perimeter is 144 cm.
Find the area of an isosceles triangle with perimeter is 36 cm and the base is 16 cm.
The sides of a triangular field are in the ratio 5: 3: 4 and its perimeter is 180 m. Find:
- its area.
- the altitude of the triangle corresponding to its largest side.
- the cost of leveling the field at the rate of Rs. 10 per square meter.
The sides of a triangle are 16 cm, 12 cm, and 20 cm. Find :
(i) area of the triangle ;
(ii) height of the triangle, corresponding to the largest side ;
(iii) height of the triangle, corresponding to the smallest side.
The lengths of the sides of a triangle are in the ratio 4: 5 : 3 and its perimeter is 96 cm. Find its area.
Find the area of a triangle whose base is 3.8 cm and height is 2.8 cm.
Find the area of a right angled triangle whose hypotenuse is 15cm and the base is 9cm.
Find the perimeter of A scalene triangle with sides 7 m, 8 m, 10 m
Find the perimeter of the triangle, whose sides are 13 cm, 5 cm and 14 cm
