Advertisements
Advertisements
Question
The diagonals of a quadrilateral are 16 cm and 13 cm. If they intersect each other at right angles; find the area of the quadrilateral.
Advertisements
Solution
Area of the quadrilateral = `1/2 ` x the product of the diagonals.
= `1/2 xx 16 xx 13`
= 104 cm2
APPEARS IN
RELATED QUESTIONS
The perimeter of a rectangular board is 70 cm. Taking its length as x cm, find its width in terms of x.
If the area of the rectangular board is 300 cm2; find its dimensions.
Trapezium given below; find its area.
The perimeter of a rectangular field is `3/5`km. If the length of the field is twice its width; find the area of the rectangle in sq. meters.
Trapezium given below; find its area.
A wire when bent in the form of a square encloses an area of 484 m2. Find the largest area enclosed by the same wire when bent to from:
- An equilateral triangle.
- A rectangle of length 16 m.
Sum of the areas of two squares is 400 cm2. If the difference of their perimeters is 16 cm, find the sides of the two squares.
Find the area and the perimeter of a square with diagonal 24 cm. [Take √2 = 1.41 ]
The perimeter of a semicircular plate is 108 cm. find its area.
Find the area of quadrilateral PQRS.
If the diagonal d of a quadrilateral is doubled and the heights h1 and h2 falling on d are halved, then the area of quadrilateral is ______.
