Quantitative Aptitude – Geometry – Pyramid – The base of a regular pyramid is a square
Slot – 2 – Quantitative Aptitude – Geometry – Pyramid – The base of a regular pyramid is a square
The base of a regular pyramid is a square – Video Solution
Q. The base of a regular pyramid is a square and each of the other four sides is an equilateral triangle, length of each side being 20 cm. The vertical height of the pyramid, in cm, is?
8√3
10√2
12
5√5
Answer: 10√2
Solution:
As we know that the square pyramid of edge length a has height
h=1/2 sqrt(2)* a,
So, h = ½ * root 2* 20 = 10 root 2
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