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Answer:
The volume of the regular tetrahedron is 283.5 m³
Step-by-step explanation:
The formula of the volume of the regular tetrahedron is V = A h, where
- A is the base area of it
- h is the height of it
∵ The area of the base of a regular tetrahedron is 98.9 m²
∴ A = 98.9 m²
∵ The height of it is 8.6 m
∴ h = 8.6 m
→ Substitute them in the formula of the volume above
∵ V = (98.9)(8.6)
∴ V = 283.5133333 m³
→ Round it to the nearest tenth of a cubic meters
∴ V = 283.5 m³
∴ The volume of the regular tetrahedron is 283.5 m³
The Triangle will look in this way (Attached image)-
<h3>How do you draw a 30 degree angle with a protractor?</h3>Step 1: Draw a line segment OQ.
Step 2: Place the center tip of the protractor at point O such that the protractor perfectly aligns with line AQ.
Step 3: Start from 'Q' on the protractor in the anti - clockwise direction and stop at 30. Mark it as point 'P'. If point 'Q' lies to the right of 'O', then start measuring clockwise and stop at 30.
Step 4: Now, place the protector at point Q, mark the point 'P' at 90, such that ∠OQP = 90.
Step 5: Join point 'P' with 'O'. ∠QOP=30° is the required 30 degree angle.
To learn more about triangles from the given link
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