In `Delta`ABC, AB = 5cm , BC = 8 cm and CA = 7cm. If D and E are respectively the midd-points of AB and BC, determine the length of DE.

In Delta ABC, AB = 5cm , BC = 8 cm and CA = 7cm. If D and E are respectively the mid-points of AB and BC, determine the length of DE.

Construct Delta ABC with AB = 4.5 cm, BC = 7 cm and CA = 6 cm.

In Delta ABC, AB=12 cm, BC=16 cm and CA=20 cm If D is the mid point of AC then the length of BD is

In Delta ABC,AB=6cm,BC=7cm and AC=5cm .The area of Delta ABC is

In a triangle ABC, AB = 5 cm, BC = 6 cm and CA = 7 cm. If bisectors of angleA, angleB, angleC respectively meet sides BC, CA and AB at D. E, F and I be the incentre of the triangle then What is the length of AE ?

In a triangle ABC, AB = 5 cm, BC = 6 cm and CA = 7 cm. If bisectors of angleA, angleB, angleC respectively meet sides BC, CA and AB at D. E, F and I be the incentre of the triangle then What is BD : DC ?

In Delta ABC, DE||BC bar(AD)=5cm, AB = 8 cm AE=10cm then EC is :

Construct Delta ABC with AB = 7 cm, BC = 6.5 cm, and CA = 5.5 cm. Find the midpoint D of AB. Draw DE parallel to BC, meeting AC at E. Measure DE. Find AE : EC.

If the lengths of the sides AB, BC and CA of a triangle ABC are 10 cm, 8 cm and 6 cm respectively and if M is the mid-point of BC and MN || AB to cut AC at N, then the area of the trapezium ABMN is equal to