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Effectus [21]
3 years ago
11

The prism shown has a volume of 35cm³. Work out the height of the triangular cross section. The length going back is 7cm and the

bottom section of the triangular cross section is 4cm.
Mathematics
1 answer:
Gre4nikov [31]3 years ago
3 0

Answer:

2.5 cm

Step-by-step explanation:

The volume of a triangular prism is cross section × length.

The cross section area is the triangle area. The triangle length is 4 cm, the height is not given. The length of the triangular prism is 7cm.

4 × h × 1/2 × 7 = 35

14h = 35

h = 35/14

h = 5/2

The height of the triangular cross section is 2.5 cm.

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