Question 1 :
The edges of a triangular board are 6 cm, 8 cm and 10 cm. Find the cost of painting it at the rate of 9 paise per $cm^2$.

Question 2 :
Write True or False. In a triangle, the sides are given as 11 cm, 12 cm and 13 cm. The length of the altitude is 10.25 cm corresponding to the side having length 12 cm.

Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d139f59b460d7261f3fb.png' /> From the above figure, calculate the area of the shaded region.

Question 4 :
The sides of a triangle are 35 cm, 54 cm and 61 cm, respectively. Find the length of its longest altitude.

Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d134f59b460d7261f3f4.JPG' /> From the above image, how much paper of yellow shade is needed to make a kite in which ABCD is a square with diagonal 44 cm?

Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d1c2f59b460d7261f4bf.PNG' /> Refer to the above image. A kite in the shape of a square with a diagonal 32 cm and an isosceles triangle of base 8 cm and sides 6 cm each is to be made of three different shades as shown in above figure. How much paper of shade has been used in 1 and 2 part it?

Question 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d133f59b460d7261f3f3.JPG' /> From the above image, ∆ ABC has sides AB = 7.5 cm, AC = 6.5 cm and BC = 7 cm. On base BC a parallelogram DBCE of same area as that of ∆ ABC is constructed. Find the height DF of the parallelogram.

Question 8 :
The perimeter of a triangle is 50 cm. One side of a triangle is 4 cm longer than the smaller side and the third side is 6 cm less than twice the smaller side. Find the area of the triangle.

Question 9 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d1bff59b460d7261f4bc.PNG' /> Refer to the above image. Radha made a picture of an aeroplane with coloured paper as shown in figure above. Find the total area of the paper used.

Question 10 :
A rhombus shaped field has green grass for 18 cows to graze. If each side of the rhombus is 30 m and its longer diagonal is 48 m, how much area of grass field will each cow be getting?