Question
If the lateral surface area of a
regular tetrahedron is 75√2 cm², determine the volume of the tetrahedronSolution
ATQ,
Let 's' be the edge length in cm. Lateral surface area: 
On Solving we get,
s2 = 100 = s = 10cm
Volume:Â
More Mensuration Questions
42 + 52% of 300 - ?% of 200 = 88
- What will come in the place of question mark (?) in the given expression?
(120 - ?) ÷ 2 + 35 = 86 - 11 What will come in the place of question mark (?) in the given expression?
(18 × 8 ÷ 12) × 10 = ?
Evaluate:
√729 + √49 - √16 + 1/√64
What will come in the place of question mark (?) in the given expression?
(1040 ÷ 12) ÷ 19 × 1824 = ?
[(1245 ÷ 9) ÷ 12] × 540 = ?2 – 175
Simplify the following questions:
(11) 8.5 × (121) 5.5 ÷ (1331) 5.5 = (11) ? Â
...60 % of 640 - 57 × 2 - 1520 / 38 = ?
16 × ? + 36% of 250 = 410
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