Advertisements
Advertisements
प्रश्न
Perimeter of an isosceles triangle is 50 cm. If one of the two equal sides is 18 cm, find the third side.
Advertisements
उत्तर
Let ∆ABC be the given isosceles triangle, where AB = CA = 18 cm.
Perimeter of the ∆ABC = 50 cm
⇒ AB + BC + CA = 50 cm
⇒ 18 cm + BC + 18 cm
⇒ 36 cm + BC = 50 cm
⇒ BC = 50 cm – 36 cm
⇒ BC = 14 cm
APPEARS IN
संबंधित प्रश्न
The diagonal of a square is `12sqrt2` cm. Find its perimeter.
If P = perimeter of a rectangle, l= its length and b = its breadth find b, if P = 88 cm and l = 24 cm
The lengths of the sides of two squares are in the ratio 8:15, find the ratio between their perimeters.
Find the shaded area in the given figure.
Two regular Hexagons of perimeter 30 cm each are joined as shown in the following figure. The perimeter of the new figure is ______.
Length of a rectangular field is 6 times its breadth. If the length of the field is 120 cm, find the breadth and perimeter of the field.
Find all the possible dimensions (in natural numbers) of a rectangle with an area of 36 sq cm, and find their perimeters.
Find the perimeter of the following figure:
A table-top measures 2 m 25 cm by 1 m 50 cm. What is the perimeter of the table-top?
Find the perimeter of the following shape:
An equilateral triangle of side 9 cm.
