2. Find the area of a quadrilateral ABCD in which AB = 3 cm, BC = 4 cm, CD = 4 cm, DA = 5 cm and AC = 5 cm. 2. Find the area of a quadrilateral ABCD in which AB = 3 cm BC = 4 cm CD = 4 cm DA = 5 cm and AC = 5 cm. October 17, 2020 Category: Chapter 12 - Heron's Formula , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related 1. Construct the following quadrilaterals. (i) Quadrilateral ABCD AB = 4.5 cm BC = 5.5 cm CD = 4 cm AD = 6 cm AC = 7 cmExample 6 : ABCD is a quadrilateral in which AB = 5 cm, CD = 8 cm and the sum of angle A and angle D is 180°. What is the name of this quadrilateral?14. Opposite angles of a quadrilateral ABCD are equal. If AB = 4 cm, determine CD.
