Advertisements
Advertisements
प्रश्न
The base of a parallelogram is thrice it height. If its area is 768 cm2, find the base and the height of the parallelogram.
Advertisements
उत्तर
Area of the parallelogram = 768 cm2
Let the height of the parallelogram = x
Then base = 3x
∴ Area = Base × Height
⇒ 768 = 3x × x
⇒ 768 = 3x2
⇒ x2 =`768/3` = 256 cm
∴ x = `sqrt(16xx16)` = 16 cm
∴ Base = 3 × 16 = 48 cm
and height = x = 16 cm
APPEARS IN
संबंधित प्रश्न
A square lawn is surrounded by a path 2.5 m wide. If the area of the path is 165 m2 find the area of the lawn.
One side of a parallelogram is 20 cm and its distance from the opposite side is 16 cm. Find the area of the parallelogram.
One side of a parallelogram is 18 cm and its area is 153 cm2. Find the distance of the given side from its opposite side.
Find the area of a triangle whose base is 30 cm and the height is 18 cm.
The legs of a right-angled triangle are in the ratio 4 : 3 and its area is 4056 cm2. Find the length of its legs.
The area of an equilateral triangle is (`64xxsqrt3`) cm2. Find the length of each side of the triangle.
The sides of a triangle are in the ratio 15 : 13 : 14 and its perimeter is 168 cm. Find the area of the triangle.
The diameter of a circle is 20 cm. Taking π = 3.14, find the circumference and its area.
The ratio between the radius of two circles is 5 : 7. Find the ratio between their:
(i) circumference
(ii) areas
The diameter of the wheel of a car is 70 cm. How many revolutions will it make to travel one kilometer?
