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

In /_\ABC , AB=20cm /_A=30^@ , AC=12 cm :- Find the area of the triangle.

In /_\ABC ,AB=8 cm, BC =10cm and /_B = 60^@ :- Find the area of the triangle /_\ABC .

In /_\ ABC, AB=12cm, /_ A = 45^@ and /_B = 30^@ :- Find the area of the triangle ABC.

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]

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

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

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]

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.

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.