Question

What is the height of the square pyramid whose base is 12cm and slant height is 10cm ?

Answer 1

Step-by-step explanation:

ANSWER

For a square pyramid

Base edge =s=12cm

Slant height =l=10cm

Since the base of the pyramid is square,

Therefore, a=2diagonal

Diagonal of square of base 122cm

a=62cm

h=102−a2=102−622=100−72=18=32cm

Volume=31s2h=31×18×8=1442cm3

Answer 2

Answer:

1442cm cube or 1442cm3

Step-by-step explanation:

For a square pyramid

Base edge is 12 cm

slant height is 10 cm

since the base of the pyramid is square,

Therefore,a is 2 diagonal

diagonal of square of base 122cm

a is 62 cm

h is 102-a2 = 102-622= 100-72=18=32cm

volume =31s 2h=31 into 18 into 8 = 1442CM3

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