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.
1 answer:
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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