Base of a triangle = 

Area of a triangle having base 6 cm and altitude 8 cm is

The base of a right triangle is 15 cm and its hypotenuse is 25 cm.Then its area is

The sides of a triangle are 7 cm, 24 cm, and 25 cm.Its area is

Area of an equilateral triangle of side a is 

The semiperimeter of a triangle having the length of its sides as 20 cm, 15 cm, and 9 cm is

The sides of a triangle 40 cm, 70 cm, and 90 cm.The area of the triangle is

The sides of a triangular field are in the ratio 3:4:5.The perimeter of the triangular field is 144 m.Find the longest side of the field.

The side of a square is 5 cm.Its perimeter is

Area of a rhombus = 

The sides of a right triangle ABC are 5 cm, 12 cm and 13 cm. Find the area of the triangle.

The unequal side of an isosceles triangle is 6 cm and its perimeter is 24 cm. Find its area.

Find the area of a triangle two sides of which are 8 cm and 11 cm and the perimeter is 32 cm.

Find the area of a triangle, two sides of which are 60 cm and 100 cm and the perimeter is 300 cm.  

The sides of a triangular plot are in the ratio 3: 5: 7 and its perimeter is 300 m. Find its area 

Find the area of the quadrilateral ABCD where AB = 7 cm, BC = 6 cm, CD = 12 cm, DA = 15 cm and AC = 9 cm.

Manisha has a garden in the shape of a rhombus.The-perimeter of the garden is 40 m and its diagofial is 16 m. She wants to divide it into two equal parts and use these parts in rotation. Find the area of each part of the garden.

Find the cost of turfing a triangular field at the rate of Rs.5/m ² having lengths of its sides as 40 m, 70 m, and 90 m. (Take \(\sqrt { 20 } \) = 4.47).

Sides of a triangle in the ratio 5:12:13 and its perimeter is 120 cm. Find its area.

Find the area of a right-angled \(\Delta \)ABC, right angled at B in which AB = 24 metre and BC = 10 metre.

The unequal side of an isosceles \(\Delta \)  is 6 cm and its perimeter is 24 cm.Find its area.

The sides of a triangular ground are 5 m, 7 m, and 8 m respectively. Find the cost of levelling the ground at the rate of Rs10 per m². (Use \(\sqrt { 3 } \) = 1.73).

In the following figure, calculate the area of the shaded portion:
     

The adjacent sides of a parallelogram ABCD measure 34 cm and 20 cm and the diagonal AC measures 42 cm. Find the area of the parallelogram. 

The sides of a triangular field are 51 m, 37 m, and 20 m.Find the number of rose beds that can be prepared in the field if each rose bed occupies a space of 6 sq.cm.