(i) What is the height of pyramid at above area of base?
(a) 4 metre
(b) 6 metre
(c) 5 metre
(d) 12 metre
Answers
Answered by
6
For a square pyramid
Base edge =s=12cm
Slant height =l=10cm
Since the base of the pyramid is square,
Therefore, a=
2
diagonal
Diagonal of square of base 12
2
cm
a=6
2
cm
h=
10
2
−a
2
=
10
2
−6
2
2
=
100−72
=
18
=3
2
cm
Volume=
3
1
s
2
h=
3
1
×18×8=144
2
cm
3
Step-by-step explanation:
Answered by
0
Answer:
Step-by-step explanation:
For a square pyramid
Base edge =s=12cm
Slant height =l=10cm
Since the base of the pyramid is square,
Therefore, a=
2
diagonal
Diagonal of square of base 12
2
cm
a=6
2
cm
h=
10
2
−a
2
=
10
2
−6
2
2
=
100−72
=
18
=3
2
cm
Volume=
3
1
s
2
h=
3
1
×18×8=144
2
cm
3
Step-by-step explanation:
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