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You need to find the area of each of its faces and add them up
How many rectangles and triangles do you see here ?|dw:1435555721742:dw|
5 rectangles and 2 triangles
are you really sure about 5 rectangles i do see 2 triangles
I'm sorry i mean't 3 not five
great! find the area of each of them, remember how to find area of rectangle ?
No, what formula should I use to find the rectangle?
simply multiply the length and width : Area of rectangle = length x width
aww yes sorry. I'm just really tired right now.
similarly see if you can find the area of other two rectangles
Wouldn't it still be 5x12=60?
yes, what about the bottom rectangle ?
Excellent! so area of the 3 rectangular faces = 60+60+72 = ?
good, keep it aside. lets find the area of two triangles
the back triangle also looks exactly same, so the area of two triangles would be simply : 12 + 12 = 24
Add that to the area of rectangles and you're done!
Perfect! im pretty sure you can work the next problem on ur own
Yep thanks for all the help I needed it!!
just be careful, the shape looks a bit complicated... but you know what to do, simply find the area of each face and add up :)
Ok thank you soo much :) Have a nice night