Advertisements
Advertisements
प्रश्न
The base and the height of a triangle are in the ratio 5 : 3. If the area of the triangle is 67.5 m2; find its base and height.
Advertisements
उत्तर
Let base = 5x m
height = 3x m
Area of Δ = `1/2 "base" xx "height"`
∴ `1/2 xx 5x xx 3x = 67.5`
`x^2 = (67.5 xx 2)/15`
`x^2 = 4.5 xx 2`
`x^2 = 9.0`
`x = sqrt(9)`
x = 3
base = 5x = 5 x 3 = 15 m
height = 3x = 3 x 3 = 9 m
APPEARS IN
संबंधित प्रश्न
The given figure shows a right-angled triangle ABC and an equilateral triangle BCD. Find the area of the shaded portion.
Find the area of a triangle, whose sides are :
18 mm, 24 mm and 30 mm
Use the information given in the adjoining figure to find :
(i) the length of AC.
(ii) the area of an ∆ABC
(iii) the length of BD, correct to one decimal place.
Find the perimeter and the area of a right angled triangle whose sides are 6 feet, 8 feet and 10 feet
Find the perimeter of An equilateral triangle with side 6 cm
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?
Find the perimeter of a triangle with sides measuring 10 cm, 14 cm and 15 cm.
Two sides of a triangle are 12 cm and 14 cm. The perimeter of the triangle is 36 cm. What is its third side?
In the following figures, perimeter of ΔABC = perimeter of ΔPQR. Find the area of ΔABC.
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.
