3083450 3083450

02-03-2016
Mathematics

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I got these two questions wrong on my end of lesson assessment, I don't know how I got the wrong answer, I thought I used the correct formulas and all, could anyone walk me through how to get the correct answers?

I got these two questions wrong on my end of lesson assessment I dont know how I got the wrong answer I thought I used the correct formulas and all could anyone class=

I got these two questions wrong on my end of lesson assessment I dont know how I got the wrong answer I thought I used the correct formulas and all could anyone class=

Respuesta :

02-03-2016

Both those questions are the same, but with different choices.

Anyway, a triangle with sides 3, 4, and 5 is a right angled triangle with sides of 3 and 4, and 5 is the diagonal.
So its area = half x 3 x 4 = 6sq in

Volume = base x height = 6 x 7 = 42 cubic in

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