Advertisements
Advertisements
Question
Find the perimeter of a triangle with sides measuring 10 cm, 14 cm and 15 cm.
Advertisements
Solution
Perimeter of triangle
= 10 + 14 + 15
= 39 cm
∴ The perimeter of the triangle is 39 cm.
RELATED QUESTIONS
Calculate the area and the height of an equilateral triangle whose perimeter is 60 cm.
ABC is a triangle in which AB = AC = 4 cm and ∠A = 90°. Calculate:
(i) The area of ΔABC,
(ii) The length of the perpendicular from A to BC.
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 base of a triangular field is three times its height. If the cost of cultivating the field at ₹ 36.72 per 100 m2 is ₹ 49,572; find its base and height.
Find the area of a triangle, whose sides are :
21 m, 28 m, and 35 m
Two sides of a triangle are 6.4 m and 4.8 m. If the height of the triangle corresponding to 4.8 m side is 6 m;
find :
(i) area of the triangle ;
(ii) height of the triangle corresponding to 6.4 m sides.
The base of a triangle field and its height are in the ratio 2:5. If the cost of cultivating the field at Rs.42 per sq. m is Rs.7560, find its base and height.
Find the area of a triangle with a base 12cm and a height equal to the width of a rectangle having area of 96cm2 and a length of 12cm.
From one vertex of an equilateral triangle with side 40 cm, an equilateral triangle with 6 cm side is removed. What is the perimeter of the remaining portion?
In the following figures, perimeter of ΔABC = perimeter of ΔPQR. Find the area of ΔABC.
