Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions



This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
In Triangle DAB, by applying Pythagoras theorem=41^2-40^2=81..so DA=√81=9cm..so area of trapezium=1/2*(20+40)*9=30*9=270cm^2
2 5 2
thank you
Comment has been deleted
Comment has been deleted
= (41)^2-(40)^2
=81 cm AD=9
Area= 1/2*(40+20)*9
=270 sq cm
Area= 1/2*(sum of parallel lines)*distance between them
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts