ln `/_\ A B C, A B=10 cm, /_ A=40^circ, /_B=70^circ'
`Compute the area of the triangle.
`[tan 40^circ=0.84 , tan 70=2.75]`

In triangle ABC, AB=10 cm, AC=20 cm and /_ A=135^circ a) Compute the-area of the triangle.

In triangle A B C, /_A=40 ^circ, B C=8 cm Find the circum diameter of the triangle. [sin '40=0.64]'

ln triangle A B C , A B=7 cm, B C=12 cm, /_ B=40^circ a) Find the area of the triangle. b) Calculate the length of AC.

In the figure, BC =14, /_B = 40^@ , /_C = 50^@ Find the area of triangle ABC.

In the figure, line AB is parallel to CD. AB=5 cm , AC=4 cm, angle CAB= 90^circ . a) Calculate the area of triangle ABC. b) How much is the area of triangle ABD? Write reason.

ln /_\ A B C, A B=20 cm, A C=25 cm and /_ A=70^circ a) Find the perpendicular from C to A B. b) What is the area of the triangle? [sin 70=0.94]

ln /_\ A B C, A B=10 cm, A C=8 cm /_A=45^circ a) Find the perpendicular distance from C to AB . b) Find the area of the triangle.

ln /_\ A B C, /_ A=60^circ, /_B=45^circ, A B=10 cm a) Find the perpendicular diśtance from C to AB . b) Find the area of the triangle.

ln /_\ A B C, BC=18 cm, A C=18 cm /_C=120^circ (a) Find the perpendicular distance from 'C' to 'A B'. b) What is the area of the triangle? c) What is the ratio of sides of the triangle with angle 30^circ, 30^circ and 120^circ ?

A tower is built in a river of width 80 metres. One sees the top of the river at an elevation of 55^circ and 65^circ . from either banks of the river. a) Draw a figure using the given measurements. b) Find the height of tower c) Find the distances to either banks from the foot of the tower. [tan 55^circ =1.43 , tan 65^circ =2.14]