Question 1 :
Find the area of the parallelogram where one of its diagonals is of length $$6.8\: cm$$ and perpendiculars distance of this diagonal from the opposite vertex is of length $$7.5\: cm$$
Question 2 :
If the area of an equilateral triangle is $$36\sqrt { 3 }\text { cm }^{ 2 }$$, then the side of the triangle is
Question 3 :
The three sides of a triangle are $$3cm,4cm$$ and $$5cm$$ respectively; then its area is:
Question 4 :
Two sides of a right triangle containing the right angle are 100 cm and 4.6 cm. Find its area---
Question 5 :
The altitude drawn to the base of a isosceles triangle is of length $$8$$ cm and the perimeter is $$32$$ cm. The area of the triangle is ___________.
Question 6 :
A square and an equilateral triangle have equalperimeters. If the diagonal of the square is $$6\sqrt 2 cm$$, then the area of the triangle is
Question 7 :
The perimeter of a triangular field is 144 m and the ratio of the sides is 3 : 4 : 5 The area of the field is
Question 8 :
If the side of an equilateral triangle is decreased by $$20\%$$, its area is decreased by
Question 9 :
Two sides of a right triangle containing the right angle are $$100 cm$$ and $$8.6 cm$$. Find its area
Question 10 :
Find the area of equilateral triangle with side $$ 4\sqrt { 3 }\ cm$$
Question 11 :
The unequal side of an isosceles $$\Delta $$ is $$6$$ cm and its perimeter is $$24$$ cm. Finds its area .
Question 12 :
The hypotenuse of a right angled isosceles triangle is 5 cm then its area is
Question 14 :
The sides of an equilateral triangle are (2a - b)cm, (a + 3b) cm and (2a - 2b + 1) cm then the perimeter of the triangle is
Question 15 :
The lenghts of the sides of a triangle are 9 cm 12 cm and 15 cm then the length of the median to the longest side is
Question 16 :
The angle between the external bisectors of two angles of a triangle is$$\displaystyle 50^{\circ}$$ then the third angle is
Question 17 :
If the altitude of a triangle is increased by 10% while its area remains the same its corresponding base will have to be decreased by
Question 18 :
The sides of a triangle are in the ratio 3:4:5 then the measure of the greatest angle is
Question 19 :
Side of an equilateral triangle is 4 cm. Its area is,<br>
Question 20 :
Area of traingle ABC whose sides are 24m, 40m and 32m is-
Question 21 :
The side of an equilateral triangle of area $$64\sqrt { 3 } { cm }^{ 2 }$$ is
Question 22 :
The sides of a right triangle are 5cm, 12 cm and 13 cm . Then its area is
Question 23 :
One side of an equilateral triangle is 30 cm Its area is
Question 24 :
What is the area of a triangle whose sides are $$3\ cm$$ , $$5\  cm$$ and $$4\  cm$$?
Question 25 :
The area of triangle with sides 35 cm, 66 cm and 53 cm is
Question 26 :
The angles of triangle are $$40^0 \ ,50^0$$ find the third angle 
Question 27 :
If $$G$$ is the centroid of the triangle $$ABC$$, then area of $$\Delta AGB=$$<br/>
Question 28 :
The area of a triangle whose sides are 4 cm, 13 cm and 15 cm is
Question 29 :
The sides of two triangles are in the ratio 4 : 9 Then the areas of these triangles are in the ratio
Question 30 :
Within an equilateral triangle of side $$6$$ cm two other equilateral triangles having the same centroid are so drawn that they divide the triangle into three parts having equal areas. The side of one of the triangle is
Question 31 :
Find the area of a triangle with two equal sides of $$5 cm$$ and remaining one of $$8 cm$$.
Question 32 :
The diagonals of a rhombus are $$16$$ and $$30$$. Find the perimeter of the rhombus.<br/>
Question 33 :
A land ABCD is in the shape of a Quadrilateral has $$\angle C = 90, AB = 9m, BC = 12m, CD = 5m$$ and $$AD = 8m$$. How much area does it occupy?
Question 34 :
In a quadrilateral ABCD if $$AB=CD,\quad AB\parallel CD\quad and\quad AB=BC$$, then ABCD is a
Question 35 :
Surya has a land in the shape of a rhombus. He wants to cultivate rice and wheat. he divided the land in two equal parts. The perimeter of the land is $$400 m$$ and one of the diagonals is $$160m$$, how much area is available for rice ?
Question 36 :
The parallel sides of a parallelogram are $$20$$ and $$10$$ m and one of the diagonals is $$12$$ m. Find the area of the parallelogram. (Use Heron's formula)<br/>
Question 37 :
A rectangular cupboard is of length 3 m and perimeter 30 m. Find the width of the cupboard.<br>
Question 38 :
The area of a square is equal to the area of a circle. What is the ratio between the side of the square and the radius of the circle ?
Question 39 :
The lengths of the sides of a  triangle are in integers and its area is also an integer. One side is $$21$$ cm and the  perimeter is $$48$$ cm, then the length of the shortest side is <br/>
Question 40 :
Use Heron's formula to find the area of a triangle of lengths $$4, 5$$ and $$6.$$
