Question 1 :
If every side of a triangle is doubled, then the area of the new triangle is 'K' times the area of the old one. The value of K is<br>
Question 2 :
The area of triangle whose sides are 4cm, 13 cm and 15 cm is
Question 3 :
Find the area of a triangle whose sides are respectively $150$ cm, $120$ cm and $200$ cm. 
Question 5 :
The angles of triangle are $40^0 \ ,50^0$ find the third angle 
Question 6 :
If the longer side of a rectangle is doubled and the other reduced to half then the area of the new rectangle goes up by
Question 7 :
Two sides of a right triangle containing the right angle are $100 cm$ and $8.6 cm$. Find its area
Question 8 :
The sides of a right triangle are 5cm, 12 cm and 13 cm . Then its area is
Question 9 :
The area of a triangle whose sides are $4\ cm, 13\ cm$ and $15\ cm$, is<br/>
Question 10 :
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 11 :
One side of an equilateral triangle is 30 cm Its area is
Question 12 :
Area of traingle ABC whose sides are 24m, 40m and 32m is-
Question 13 :
Side of an equilateral triangle is 4 cm. Its area is,<br>
Question 14 :
If the side of an equilateral triangle is decreased by $20\%$, its area is decreased by
Question 15 :
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 16 :
If two sides of an isosceles triangle are 6 cm and 11 cm then the length of the third side is -
Question 17 :
The sides of a triangle are 3 cm, 4 cm and 5 cm. Its area is<br>
Question 18 :
The sides of a triangle are in the ratio 3:4:5 then the measure of the greatest angle is
Question 19 :
Squares are constructed on the outer side of a right angled triangle on each of its three sides. If the lengths of the two sides containing the right angle are 5 cm and 10 cm respectively, then the total area of the regions bounded by the diagram is
Question 20 :
The sides of a triangle are 5 cm, 12 cm and 13 cm. Then its area is<br>
Question 21 :
The perimeter of a particular equilateral triangle is numerically equal to the area of the triangle. Find the perimeter of the triangle.
Question 22 :
If the altitude of an equilateral triangle is$\displaystyle \sqrt{6}$ cm its area is
Question 23 :
The side of an equilateral triangle of area $64\sqrt { 3 } { cm }^{ 2 }$ is
Question 24 :
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 25 :
If the altitude of an equilateral triangleis $\sqrt 6$ cm, its area is
Question 26 :
The area of triangle with sides 35 cm, 66 cm and 53 cm is
Question 27 :
The sides of a triangle are $5\ cm, 12\ cm$ and $13\ cm$, what is its area?<br/>
Question 28 :
The perimeter of an isosceles right angled triangle is $2p$. Its area is
Question 29 :
If $G$ is the centroid of the triangle $ABC$, then area of $\Delta AGB=$<br/>
Question 30 :
The area of a triangle whose sides are 4 cm, 13 cm and 15 cm is
Question 31 :
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 32 :
Find the area of equilateral triangle with side $ 4\sqrt { 3 }\ cm$
Question 33 :
If s is the semi-perimeter of a $\Delta A B C$ whose sides are a,b,c then s=.............?<br><br>
Question 35 :
In $\triangle ABC, AB = 6\ cm, BC = 7\ cm$ and $AC = 5\ cm$. Find the area of $\triangle ABC$
Question 36 :
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 37 :
The unequal side of an isosceles $\Delta $ is $6$ cm and its perimeter is $24$ cm. Finds its area .
Question 38 :
The sides of a triangle are $3$ cm, $5$ cm and $4$ cm: Its area is
Question 39 :
If A is the area of a triangle in$ \displaystyle cm^{2}m $ whose sides are 9 cm, 10 cm, and 11 cm then which one of the following is correct ?
Question 40 :
Find the number of trees that can be planted in a triangular ground having sides $51m, 37m$ and $20m$, when each tree occupies $6m^2$ of space:<br/>
Question 41 :
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 42 :
The difference between the area of a square and that of an equilateral triangle of the same base is $\displaystyle\frac{1}{4}\:cm^2$.The side of the triangle is (in cm)
Question 43 :
If the area of an equilateral triangle is $36\sqrt { 3 }\text { cm }^{ 2 }$, then the side of the triangle is
Question 44 :
The sides of a triangle are $4, 5$ and $6$ cm. The area of the triangle is equal to
Question 45 :
One side of an equilateral triangle is 8 cm. Its area is
Question 46 :
Each of the base angle of an isosceles triangle is twice the vertical angle then the vertical angle is
Question 47 :
The area of the largest triangle that can be inscribed in a semi circle whose radius is r cm is
Question 48 :
A parallelopiped is formed by planes drawn through the points $(2,3,5)$ and $(5,9,7),$ parallel to the coordinate planes. The length of a diagonal of the parallelopiped is 
Question 49 :
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 50 :
State true or false:In $\triangle ABC$, $AB= BC=CA=2a$ and AD is perpendicular to side BC, the area of $\triangle ABC= a^2\sqrt2$.
