Question

Find the area of quadrilateral ABCDin which AB = 3 cm, BC = 4 cm ,CD = 4 cm , DA = 5 cm , AC = 5 cm ​​

Answer 1

Answer:

Area of Quadrilateral ABCD=2(3+✓11)cm^2

Step-by-step explanation:

• Ar. of Quadrilateral ABCD= Ar. of ∆ACB+ Ar. of ∆ACD
• Ar. of Quadrilateral ABCD= Ar. of ∆ACB+ Ar. of ∆ACD✓6(6-5)(6-4)(6-3)+✓7(7-5)(7-5)(7-4)
• Ar. of Quadrilateral ABCD= Ar. of ∆ACB+ Ar. of ∆ACD✓6(6-5)(6-4)(6-3)+✓7(7-5)(7-5)(7-4)6+2✓11:-2(3+✓11),,