Find the area of triangle whose base is 7.5long and altitude is 4cm lo

1.	Find the area of triangle whose base is 7.5long and altitude is 4cm longthe ans is 15sq. cm but I don't know the solution please give me solution quickly
Answer» Answer: A=l×b=8×5=40 m 2 Total AREA of the FOUR WALLS and the ceiling of the room is 78+40=118 m 2 It is given that cost of white WASHING is Rs.15/m 2 , THEREFORE, Total cost of white washing is: 118×15=1770 Hence, the cost of white washing the walls is Rs.1770.

Find the area of triangle whose base is 7.5long and altitude is 4cm longthe ans is 15sq. cm but I don't know the solution please give me solution quickly

Answer»

Answer:

A=l×b=8×5=40 m

Total AREA of the FOUR WALLS and the ceiling of the room is 78+40=118 m

It is given that cost of white WASHING is Rs.15/m

Total cost of white washing is:

118×15=1770

Hence, the cost of white washing the walls is Rs.1770.