Calculate Area Of A Triangle ?

In the figure, given below, ABCD is a parallelogram. P is a point on BC such that BP : PC = 1: 2. DP produced meets AB produced at Q. Given the area of triangle CPQ = 20 cm^2 Calculate : area of triangle CDP.

Heron's formula to calculate area of triangle is .....

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.

In the figure, BC=10 cm, AD=6 cm a) What is the area of triangle ABC? b) What is the ratio A D: P D ? c) Calculate the area of triangle PQR.

Calculate the area of triangle whose side are 13 cm, 5 cm and 12 cm. Hence, calculate the altitude corresponding to the longest side of this trianlge. Leave your answer as a fraction.

In figure, if AB = a, calculate the area of triangle ADC (angleB=90^(@))

In the figure, angle B=120 ∘ angle A=15 ∘ , AB=10 centimetres. Also distance from A to BC is AP. a) Write the angle measures of triangle APB. b) Find the lengths of AP, PB. c) Calculate the area of triangle A B C.

Calculate the area of a right angled triangle whose one angle is 45^@ and hypotenuse 20 cm.

Calculate the area of the triangle shown below.