Advertisements
Advertisements
Question
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?
Solution
If an equilateral triangle of side 6 cm is removed the perimeter
= (40 + 34 + 6 +34) cm
= 114 cm
Perimeter of the remaining portion = 114 cm
APPEARS IN
RELATED QUESTIONS
In triangle ABC; angle A = 90o, side AB = x cm, AC = (x + 5) cm and area = 150 cm2. Find the sides of the triangle.
The area of an equilateral triangle is 36`sqrt3` sq. cm. Find its perimeter.
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.
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.
Find the area of a triangle whose base is 3.8 cm and height is 2.8 cm.
Find the area of a triangle whose sides are in the ratio 5:12:13 and whose perimeter is 36cm.
Find the perimeter of An isosceles triangle with equal sides 10 cm each and third side is 7 cm
Find the perimeter of the triangle, whose sides are 13 cm, 5 cm and 14 cm
The perimeter of a triangle is 28 cm. One of it’s sides is 8cm. Write all the sides of the possible isosceles triangles with these measurements.
Area of an isosceles triangle is 48 cm2. If the altitudes corresponding to the base of the triangle is 8 cm, find the perimeter of the triangle.