Sharp EL-506P Instruction Manual page 38

36
Ex. 2 Calculate the surface and the volume of the sphere.
S=41rr
2
,
V =~1rr3
3
4
[&7
~
[1[)
00
12
~
@]
-+
1809.557368
(S)
12
~
3
[K)
~
00 00
Radius
r
= 12cm
.
4
GJ
3
@]
-+
7238.229474
(V)
G
2
Ex. 3 Cosine theorem
c = ✓a•+ b
2
-
2abcos
O
a= 14.7 cm, b = 17.8 cm,
8
= 43° 32'54"
Calculate the length c
DEG
mode
14.7
~
rn
11.8
~
G
2 00
14.7
[K)
17.8
00
43.3254
DEG
~
@]
[D
-+
12.39480134