$\pod{a^{}{}$ i draw a quadrilateral abcd of which ad and bc are perpendicular on side ab and ab =5cm, and =7cm, and bc= 4cm. i draw a triangle with equal area of that quadrilateral of which one angle is 30°.
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.