Question

a square pyramid of base edge 10 cm and height 12 CM is to be made of paper.what should be the dimensions of the triangle​

Answer 1

Answer:

13 cm

Step-by-step explanation:

Base edge (b) = 10cm

Height (h) = 12cm

= √(144 + 52)

= √(144 + 25)

Slant Height = √169 = 13cm

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Answer 2

Step-by-step explanation:

given that

base of square pyramid is 10cm

height is 12cm

to find

dimension of triangle

solution

$slant \: height = \sqrt{ {h}^{2} + ( \frac{ {b}^{2} }{2} )} \\ = \sqrt{(12 {)}^{2} +( \frac{10}{5} {)}^{2} } \\ = \sqrt{144 + 25 } \\ = \sqrt{169} \\ = 13$

dimention of triangle is

$height = 12cm \\ base = \frac{10}{2} = 5cm \\ slant \: height = 13cm$