unit-9 analytical geometry

Find area of the triangle having 12cm height and 20 cm base.

Find area of equilateral triangle whose perimeter is 60cm.

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

• 5cm

Find the area of the triangle whose side are 13cm,14cm and 15cm.

• none of these

Find the area of the triangle with one side value 'b'and the altitude drawn that

side value 'h' is -------

• bh

• All the above

The value of a,b and c is given means ,what is the perimeter of the triangle is -------

• bh square units

• (a+b+c ) units

• 2(a+b) units

The area of the trapezium is --------

• 2(a+b)

• 210cm

• 128cm

• 6cm

• 5cm

• 21m

• 18m

• 6m

• 5m