Verified Answer :

iri101

Find the area of two sides (LengthHeight)2 sidesFind the area of adjacent sides (WidthHeight)2 sidesFind the area of ends (LengthWidth)2 endsAdd the three areas together to find the surface area

ccme

Length times height to find a square or rectangle and / or square

To find triangle its length times night divided by 2

6•20
+
8•20
+
20•10
+
In this case you can multiply 8 times 6 only once Because there is another triangle exactly the same

120 + 160 + 200 + 48

Answer- 528