Question

Find the area of quadrilateral ABCD in which =24cm, Angle BAD=90°and ∆BCD is an equilateral triangle having its side equal to 26 cm. Also, find the perimeter of the quadrilateral. Given √3=1.73]

Answer 1

Answer:

BA²=BD²+AD²

BA=√BD²-AD²

BA=√676-576

BA= √100=10CM