The height is 9m, but I'm afraid I can't explain it well enough for you to be able to solve a similar problem next period.
First of all, I think the drawing is confusing. You have to take control of your eyes until they recognize that the dotted lines are in the back, and the solid lines are in the front. Then you see that the bottom triangular face of the prism has a base of 7 and a height of 1.9 . That makes the area of the base (1/2)(b h) = 6.65 m² .
The volume of the whole prism is (area of the triangular face) x 'H' = 59.85 .
H = 59.85 / 6.65 = 9 m³ .
And the part that's enough to make you really steamed up is: You don't need those measurements of the top face at all . . . the 3m and 5m on top.
To find the height of a shape, identify the shape and gather the necessary measurements. Use appropriate formulas to rearrange them and solve for height. Finally, ensure that all units are correct and the answer makes sense in its context.
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Jawaban:06.3007.3008.30jadi jawaban nya adalah 08.30